Find link

language:

jump to random article

Find link is a tool written by Edward Betts.

Longer titles found: Continuous function (set theory) (view), Continuous functional calculus (view), Nowhere continuous function (view), Quasi-continuous function (view), Cauchy-continuous function (view), Graph continuous function (view), Symmetrically continuous function (view), Continuous Function Chart (view), Approximately continuous function (view), Space of continuous functions on a compact space (view)

searching for continuous function 194 found (800 total)

alternate case: Continuous function

Discrete-time Fourier transform (5,076 words) [view diff] exact match in snippet view article find links to article

discrete values. The DTFT is often used to analyze samples of a continuous function. The term discrete-time refers to the fact that the transform operates
Root mean square (2,786 words) [view diff] exact match in snippet view article find links to article
{\displaystyle M_{2}} ), a special case of the generalized mean. The RMS of a continuous function is denoted f R M S {\displaystyle f_{\mathrm {RMS} }} and can be
Instantaneous phase and frequency (1,511 words) [view diff] exact match in snippet view article find links to article
is called unwrapped phase, which is a continuous function of argument t, assuming sa(t) is a continuous function of t. Unless otherwise indicated, the
Nyquist frequency (762 words) [view diff] exact match in snippet view article find links to article
Harry Nyquist, is a characteristic of a sampler, which converts a continuous function or signal into a discrete sequence. For a given sampling rate (samples
Isosurface (753 words) [view diff] exact match in snippet view article find links to article
within a volume of space; in other words, it is a level set of a continuous function whose domain is 3-space. The term isoline is also sometimes used
Modulus of continuity (3,221 words) [view diff] exact match in snippet view article find links to article
continuous function is always ensured whenever the domain is either a compact, or a convex subset of a normed space. However, a uniformly continuous function
Disk algebra (245 words) [view diff] exact match in snippet view article find links to article
complex plane C {\displaystyle \mathbb {C} } ) that extend to a continuous function on the closure of D. That is, A ( D ) = H ∞ ( D ) ∩ C ( D ¯ ) , {\displaystyle
Lipschitz domain (647 words) [view diff] exact match in snippet view article find links to article
that it can be thought of as locally being the graph of a Lipschitz continuous function. The term is named after the German mathematician Rudolf Lipschitz
Upsampling (1,420 words) [view diff] exact match in snippet view article find links to article
upsampling is performed on a sequence of samples of a signal or other continuous function, it produces an approximation of the sequence that would have been
Baire set (1,204 words) [view diff] exact match in snippet view article find links to article
compact Hausdorff spaces. In particular, any compactly supported continuous function on such a space is integrable with respect to any finite Baire measure
Fuzzy set operations (928 words) [view diff] exact match in snippet view article find links to article
b ∈ [0, 1], if a < b, then c(a) > c(b) Axiom c3. Continuity c is continuous function. Axiom c4. Involutions c is an involution, which means that c(c(a))
Ridders' method (637 words) [view diff] exact match in snippet view article find links to article
an exponential function to successively approximate a root of a continuous function f ( x ) {\displaystyle f(x)} . The method is due to C. Ridders. Ridders'
Downsampling (signal processing) (1,804 words) [view diff] exact match in snippet view article
the process is performed on a sequence of samples of a signal or a continuous function, it produces an approximation of the sequence that would have been
Kolmogorov–Arnold representation theorem (3,986 words) [view diff] exact match in snippet view article find links to article
theorem (or superposition theorem) states that every multivariate continuous function f : [ 0 , 1 ] n → R {\displaystyle f\colon [0,1]^{n}\to \mathbb {R}
Whitney embedding theorem (2,025 words) [view diff] exact match in snippet view article find links to article
to Whitney). The weak Whitney embedding theorem states that any continuous function from an n-dimensional manifold to an m-dimensional manifold may be
Reaction coordinate (578 words) [view diff] exact match in snippet view article find links to article
Many collective variables then span the reaction coordinate with a continuous function ξ: ξ(t) = ξ{CVi(t)} with j ∈ N. An example is the complexation of
Teiji Takagi (580 words) [view diff] exact match in snippet view article find links to article
Blancmange curve, the graph of a nowhere-differentiable but uniformly continuous function, is also called the Takagi curve after his work on it. He was born
Nyquist–Shannon sampling theorem (6,838 words) [view diff] exact match in snippet view article find links to article
expect that when one reduces a continuous function to a discrete sequence and interpolates back to a continuous function, the fidelity of the result depends
Riemann–Lebesgue lemma (961 words) [view diff] exact match in snippet view article find links to article
compactly supported continuous function. For ε > 0 {\displaystyle \varepsilon >0} , pick a compactly supported continuous function g {\displaystyle g}
Null set (1,735 words) [view diff] exact match in snippet view article find links to article
nonmeasurable subset. Let f {\displaystyle f} be the Cantor function, a continuous function which is locally constant on K c , {\displaystyle K^{c},} and monotonically
Contraction mapping (1,120 words) [view diff] exact match in snippet view article find links to article
Lipschitz continuous and hence uniformly continuous (for a Lipschitz continuous function, the constant k is no longer necessarily less than 1). A contraction
Starred transform (839 words) [view diff] exact match in snippet view article find links to article
x^{*}(t)} , which is the output of an ideal sampler, whose input is a continuous function, x ( t ) {\displaystyle x(t)} . The starred transform is similar
Sub-Stonean space (274 words) [view diff] exact match in snippet view article find links to article
real-valued continuous function f {\displaystyle f} can be written as f = g | f | {\displaystyle f=g|f|} for some real-valued continuous function g {\displaystyle
Uniformly connected space (97 words) [view diff] exact match in snippet view article find links to article
Cantor connected space is a uniform space U such that every uniformly continuous function from U to a discrete uniform space is constant. A uniform space U
Digital geometry (980 words) [view diff] exact match in snippet view article find links to article
digitally continuous function (A. Rosenfeld, 1986) and the gradually varied function (L. Chen, 1989) were proposed, independently. A digitally continuous function
Reduced ring (817 words) [view diff] no match in snippet view article find links to article
{p}})}(M\otimes k({\mathfrak {p}}))} is a locally constant (or equivalently continuous) function on Spec R. Then R is reduced if and only if every finitely generated
Power domains (1,165 words) [view diff] exact match in snippet view article find links to article
nondeterminism. For most of this article we use the terms "domain" and "continuous function" quite loosely, meaning respectively some kind of ordered structure
Katětov–Tong insertion theorem (226 words) [view diff] exact match in snippet view article find links to article
semicontinuous, and g ≤ h {\displaystyle g\leq h} . Then there exists a continuous function f : X → R {\displaystyle f\colon X\to \mathbb {R} } with g ≤ f ≤
Geometric mean (4,389 words) [view diff] no match in snippet view article find links to article
In mathematics, the geometric mean (also known as the mean proportional) is a mean or average which indicates a central tendency of a finite collection
Global optimization (2,097 words) [view diff] exact match in snippet view article find links to article
f(x):=(-1)\cdot g(x)} . Given a possibly nonlinear and non-convex continuous function f : Ω ⊂ R n → R {\displaystyle f:\Omega \subset \mathbb {R} ^{n}\to
Georg Landsberg (412 words) [view diff] exact match in snippet view article find links to article
fractal that is the graph of a nowhere-differentiable but uniformly continuous function, is named after Teiji Takagi and him. Landsberg was Jewish. He was
Riemann–Siegel theta function (1,521 words) [view diff] exact match in snippet view article find links to article
real values of t. Here the argument is chosen in such a way that a continuous function is obtained and θ ( 0 ) = 0 {\displaystyle \theta (0)=0} holds, i
Metric differential (512 words) [view diff] exact match in snippet view article find links to article
differential is a generalization of a derivative for a Lipschitz continuous function defined on a Euclidean space and taking values in an arbitrary metric
Variable structure system (601 words) [view diff] exact match in snippet view article find links to article
{T} }:\mathbb {R} ^{n+1}\mapsto \mathbb {R} ^{n}} is a piecewise continuous function. Due to the piecewise continuity of these systems, they behave like
Fuzzy differential inclusion (348 words) [view diff] exact match in snippet view article find links to article
Suppose f ( t , x ( t ) ) {\displaystyle f(t,x(t))} is a fuzzy valued continuous function on Euclidean space. Then it is the collection of all normal, upper
Buchstab function (443 words) [view diff] exact match in snippet view article find links to article
The Buchstab function (or Buchstab's function) is the unique continuous function ω : R ≥ 1 → R > 0 {\displaystyle \omega :\mathbb {R} _{\geq 1}\rightarrow
Rising sun lemma (573 words) [view diff] exact match in snippet view article find links to article
lemma. The lemma is stated as follows: Suppose g is a real-valued continuous function on the interval [a,b] and S is the set of x in [a,b] such that there
Kinetic priority queue (622 words) [view diff] exact match in snippet view article find links to article
(key-value pair) when the priority of every element is changing as a continuous function of time. Kinetic priority queues have been used as components of
Hausdorff space (2,137 words) [view diff] exact match in snippet view article find links to article
Hausdorff spaces. Let f : X → Y {\displaystyle f\colon X\to Y} be a continuous function and suppose Y {\displaystyle Y} is Hausdorff. Then the graph of f
Hausdorff space (2,137 words) [view diff] exact match in snippet view article find links to article
Hausdorff spaces. Let f : X → Y {\displaystyle f\colon X\to Y} be a continuous function and suppose Y {\displaystyle Y} is Hausdorff. Then the graph of f
Positive-definite function on a group (1,586 words) [view diff] exact match in snippet view article find links to article
\mu } . A positive-definite function on G {\displaystyle G} is a continuous function F : G → L ( H ) {\displaystyle F:G\to L(H)} that satisfies ∫ s ,
Nyquist rate (990 words) [view diff] exact match in snippet view article find links to article
frequency band or a frequency division multiplex channel. When a continuous function, x ( t ) , {\displaystyle x(t),} is sampled at a constant rate, f
Kinetic tournament (517 words) [view diff] exact match in snippet view article find links to article
functions as a priority queue for elements whose priorities change as a continuous function of time. It is implemented analogously to a "tournament" between
Continuous-time Markov chain (4,240 words) [view diff] no match in snippet view article find links to article
A continuous-time Markov chain (CTMC) is a continuous stochastic process in which, for each state, the process will change state according to an exponential
P-variation (1,507 words) [view diff] exact match in snippet view article find links to article
decreases with p. If f has finite p-variation and g is an α-Hölder continuous function, then g ∘ f {\displaystyle g\circ f} has finite p α {\displaystyle
Sampling (signal processing) (3,139 words) [view diff] exact match in snippet view article
s(t)} be a continuous function (or "signal") to be sampled, and let sampling be performed by measuring the value of the continuous function every T {\displaystyle
Kinetic heater (489 words) [view diff] exact match in snippet view article find links to article
associated with it in addition to its priority (which changes as a continuous function of time as in all kinetic data structures). The kinetic heater is
Class kappa function (317 words) [view diff] exact match in snippet view article find links to article
{\displaystyle {\mathcal {K}}} functions belong to this family: Definition: a continuous function α : [ 0 , a ) → [ 0 , ∞ ) {\displaystyle \alpha :[0,a)\rightarrow
Dini criterion (176 words) [view diff] exact match in snippet view article find links to article
continuous function such that g ( t ) / t {\displaystyle g(t)/t} is not locally integrable near 0 {\displaystyle 0} , there is a continuous function f
Path (431 words) [view diff] exact match in snippet view article find links to article
problem, sometimes known as the "path problem" Path (topology), a continuous function Path (geometry), a curve Path, a name for the vectors in vector graphics
Kinetic Euclidean minimum spanning tree (234 words) [view diff] exact match in snippet view article find links to article
tree (MST) of a planar graph whose edge weights are changing as a continuous function of time. Abam, Rahmati, and Zarei provide a significant improvement
Kinetic minimum spanning tree (331 words) [view diff] exact match in snippet view article find links to article
spanning tree (MST) of a graph whose edge weights are changing as a continuous function of time. The most efficient known data structure for the general
Poisson kernel (1,481 words) [view diff] exact match in snippet view article find links to article
the surface area of the unit (n − 1)-sphere. Then, if u(x) is a continuous function defined on S, the corresponding Poisson integral is the function
Gershgorin circle theorem (2,973 words) [view diff] exact match in snippet view article find links to article
least d. Since the eigenvalues of B ( t ) {\displaystyle B(t)} are a continuous function of t, for any eigenvalue λ ( t ) {\displaystyle \lambda (t)} of B
Kinetic heap (1,097 words) [view diff] exact match in snippet view article find links to article
associated with priorities) where the priority is changing as a continuous function of time. As a type of kinetic priority queue, it maintains the maximum
Fundamental lemma of the calculus of variations (1,649 words) [view diff] exact match in snippet view article find links to article
formulate and prove. More powerful versions are used when needed. If a continuous function f {\displaystyle f} on an open interval ( a , b ) {\displaystyle
Perron method (658 words) [view diff] exact match in snippet view article find links to article
harmonic function in a domain, with boundary conditions given by a continuous function φ ( x ) {\displaystyle \varphi (x)} . The Perron solution is defined
Whittaker–Shannon interpolation formula (785 words) [view diff] exact match in snippet view article find links to article
Cardinal series. Given a sequence of real numbers, x[n]=x(nT), the continuous function x ( t ) = ∑ n = − ∞ ∞ x [ n ] s i n c ( t − n T T ) {\displaystyle
Class kappa-ell function (151 words) [view diff] exact match in snippet view article find links to article
{\mathcal {KL}}} functions belong to this family: Definition: A continuous function β : [ 0 , a ) × [ 0 , ∞ ) → [ 0 , ∞ ) {\displaystyle \beta :[0,a)\times
Moore plane (737 words) [view diff] exact match in snippet view article find links to article
coordinates is dense in Γ {\displaystyle \Gamma } ; hence every continuous function f : Γ → R {\displaystyle f:\Gamma \to \mathbb {R} } is determined
Q-Weibull distribution (868 words) [view diff] exact match in snippet view article find links to article
\Gamma ()} is the Gamma function. The expression for the mean is a continuous function of q over the range of definition for which it is finite. The q-Weibull
Henrik Petrini (135 words) [view diff] exact match in snippet view article find links to article
moved to Stockholm. He is best known for his counterexample of a continuous function for which the Newton potential is not twice differentiable. He was
Spatial verification (642 words) [view diff] exact match in snippet view article find links to article
dependent variable, and a family of functions, try to find the continuous function). Effective when one is able to find safe features without clutter
Universal Taylor series (568 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \sum _{n=1}^{\infty }a_{n}x^{n}} , such that for every continuous function h {\displaystyle h} on [ − 1 , 1 ] {\displaystyle [-1,1]} , if h
Plurisubharmonic function (1,268 words) [view diff] exact match in snippet view article find links to article
complex analytic space X {\displaystyle X} as follows. An upper semi-continuous function f : X → R ∪ { − ∞ } {\displaystyle f\colon X\to {\mathbb {R} }\cup
Homotopy colimit and limit (1,841 words) [view diff] exact match in snippet view article find links to article
{\displaystyle {\text{Top}}} and a natural transformation corresponds to a continuous function of topological spaces. Note this construction can be generalized
Gradually varied surface (467 words) [view diff] exact match in snippet view article find links to article
f(x)=A_{i+1}} , or A i − 1 {\displaystyle A_{i-1}} . The concept of the continuous function in digital space (can be called digitally continuous functions) was
CFC (662 words) [view diff] exact match in snippet view article find links to article
applications Consideration of future consequences, a personality trait Continuous function chart, sort of Function block diagram enabling to program both Boolean
Harmonic morphism (883 words) [view diff] exact match in snippet view article find links to article
→ R 0 + {\displaystyle \lambda :M\to \mathbb {R} _{0}^{+}} is a continuous function called the dilation. Harmonic morphisms are therefore solutions to
Hausdorff–Young inequality (2,376 words) [view diff] exact match in snippet view article find links to article
Riemann integration and infinite series as prerequisite. Given a continuous function f : ( 0 , 1 ) → R {\displaystyle f:(0,1)\to \mathbb {R} } , define
Limit point compact (961 words) [view diff] exact match in snippet view article find links to article
\}} of X . {\displaystyle X.} By the Tietze extension theorem the continuous function f {\displaystyle f} on A {\displaystyle A} defined by f ( x n ) =
Droplet-shaped wave (498 words) [view diff] exact match in snippet view article find links to article
delta and Heaviside step functions while J(τ, z) is an arbitrary continuous function representing the pulse shape. Notably, H (βτ − z) H (z) = 0 for τ
Massera's lemma (708 words) [view diff] exact match in snippet view article find links to article
all t ≥ 0 There exist positive constants k1, k2, such that for any continuous function u satisfying 0 ≤ u(t) ≤ g(t) for all t ≥ 0, ∫ 0 ∞ G ( u ( t ) ) d
Maximum modulus principle (1,273 words) [view diff] exact match in snippet view article find links to article
→ C {\displaystyle f\colon {\overline {D}}\to \mathbb {C} } is a continuous function that is holomorphic on D {\displaystyle D} . Then | f ( z ) | {\displaystyle
Domain theory (2,689 words) [view diff] exact match in snippet view article find links to article
be monotonic. These properties give rise to the notion of a Scott-continuous function. Since this often is not ambiguous one also may speak of continuous
Fejér's theorem (3,031 words) [view diff] exact match in snippet view article find links to article
Theorem—Let f : R → C {\displaystyle f:\mathbb {R} \to \mathbb {C} } be a continuous function with period 2 π {\displaystyle 2\pi } , let s n ( f ) {\displaystyle
Characteristic function (probability theory) (5,208 words) [view diff] exact match in snippet view article
random variable always exists, since it is an integral of a bounded continuous function over a space whose measure is finite. A characteristic function is
Alexandru Froda (696 words) [view diff] exact match in snippet view article find links to article
complex coefficients. In 1929 Dimitrie Pompeiu conjectured that any continuous function of two real variables defined on the entire plane is constant if
Distribution function (measure theory) (1,005 words) [view diff] exact match in snippet view article
{\displaystyle F:\mathbb {R} \to \mathbb {R} } is a nondecreasing right continuous function, then the function μ {\displaystyle \mu } defined on the collection
Modulus of smoothness (665 words) [view diff] exact match in snippet view article find links to article
\mathbb {N} } let W r {\displaystyle W^{r}} denote the space of continuous function on [ − 1 , 1 ] {\displaystyle [-1,1]} that have ( r − 1 ) {\displaystyle
Unitary representation (1,003 words) [view diff] exact match in snippet view article find links to article
:G\rightarrow \operatorname {U} (H)} such that g → π(g) ξ is a norm continuous function for every ξ ∈ H. Note that if G is a Lie group, the Hilbert space
Wavelet transform modulus maxima method (817 words) [view diff] exact match in snippet view article find links to article
only a limited number of low-order terms are used to approximate a continuous function.) Generally, a continuous wavelet transform decomposes a signal as
Leak noise correlator (451 words) [view diff] exact match in snippet view article find links to article
determine the location of the leak., The cross correlation signal of one continuous function, f, with another, g, is defined as: ( f ⋆ g ) ( t )   = d e f ∫ −
Weyl integration formula (1,148 words) [view diff] exact match in snippet view article find links to article
a maximal torus T. Precisely, it says there exists a real-valued continuous function u on T such that for every class function f on G (function invariant
Mercer's theorem (1,942 words) [view diff] exact match in snippet view article find links to article
more general formulation. A kernel, in this context, is a symmetric continuous function K : [ a , b ] × [ a , b ] → R {\displaystyle K:[a,b]\times [a,b]\rightarrow
List of Fourier-related transforms (1,001 words) [view diff] no match in snippet view article find links to article
Fourier transform (DTFT): Equivalent to the Fourier transform of a "continuous" function that is constructed from the discrete input function by using the
Simply connected space (1,330 words) [view diff] exact match in snippet view article find links to article
{\displaystyle Y.} The image of a simply connected set under a continuous function need not be simply connected. Take for example the complex plane
Uniform boundedness principle (4,620 words) [view diff] exact match in snippet view article find links to article
sequence of equicontinuous functions on a compact set converges to a continuous function. By uniform boundedness principle, let M = max { sup n ‖ T n ‖ ,
Hopf link (892 words) [view diff] exact match in snippet view article find links to article
crossings will have two colors present. The Hopf fibration is a continuous function from the 3-sphere (a three-dimensional surface in four-dimensional
Sinai–Ruelle–Bowen measure (891 words) [view diff] exact match in snippet view article find links to article
_{U}\varphi \,d\mu } for every x ∈ V {\displaystyle x\in V} and every continuous function φ : U → R {\displaystyle \varphi :U\rightarrow \mathbb {R} } . One
List of probabilistic proofs of non-probabilistic theorems (1,848 words) [view diff] exact match in snippet view article find links to article
Only in 1981 did Kaufman give a deterministic construction. Every continuous function on a compact interval can be uniformly approximated by polynomials
Mathematical optimization (6,155 words) [view diff] exact match in snippet view article find links to article
More generally, a lower semi-continuous function on a compact set attains its minimum; an upper semi-continuous function on a compact set attains its
Montel space (1,327 words) [view diff] exact match in snippet view article find links to article
{\displaystyle X} is a Montel space if and only if every bounded continuous function X → c 0 {\displaystyle X\to c_{0}} sends closed bounded absolutely
Amplitude (1,620 words) [view diff] exact match in snippet view article find links to article
where the amplitude is transient and must be represented as either a continuous function or a discrete vector. Percussive amplitude envelopes model many common
Simplicial approximation theorem (653 words) [view diff] exact match in snippet view article find links to article
{\displaystyle f:K\to L} is called a simplicial approximation of a continuous function F : | K | → | L | {\displaystyle F:|K|\to |L|} if for every point
Stratifold (1,387 words) [view diff] exact match in snippet view article find links to article
example to consider is the open cone over a manifold M. We define a continuous function from S to the reals to be in C if and only if it is smooth on M ×
Topological geometry (4,297 words) [view diff] exact match in snippet view article find links to article
the pair of points and the intersection point of two lines is a continuous function of these lines. Linear geometries are incidence structures in which
Kakutani's theorem (geometry) (133 words) [view diff] exact match in snippet view article
739–741, doi:10.2307/1968964 Yamabe, H.; Yujobô, Z. (1950), "On the continuous function defined on a sphere", Osaka Math. J., 2 (1): 19–22 Floyd, E. E. (1955)
Namioka's theorem (432 words) [view diff] exact match in snippet view article find links to article
Mathematics, the theorem establishes conditions under which a separately continuous function must be jointly continuous on a topologically large subset of its
Hartogs–Rosenthal theorem (339 words) [view diff] exact match in snippet view article find links to article
rational functions. By the Stone–Weierstrass theorem any complex-valued continuous function on K can be uniformly approximated by a polynomial in z {\displaystyle
Uniform property (325 words) [view diff] exact match in snippet view article find links to article
connected. A uniform space X is uniformly connected if every uniformly continuous function from X to a discrete uniform space is constant. Uniformly disconnected
Ergodic flow (5,097 words) [view diff] exact match in snippet view article find links to article
f is a continuous function on G of compact support with ∫ f = 1, then ξ = ∫ f(g) gξ dg. The right hand side equals ξ ∗ f, a continuous function on G. Since
Barycentric subdivision (2,533 words) [view diff] exact match in snippet view article find links to article
contractible. The simplicial approximation theorem guarantees for every continuous function f : V K → V L {\displaystyle f:V_{K}\rightarrow V_{L}} the existence
Equation of time (8,929 words) [view diff] exact match in snippet view article find links to article
mathematical discontinuities of its components, EOT is defined as a continuous function by adding (or subtracting) 24 hours in the small time interval between
Locally connected space (3,186 words) [view diff] exact match in snippet view article find links to article
the subspace topology) are open. It follows, for instance, that a continuous function from a locally connected space to a totally disconnected space must
Minimax approximation algorithm (295 words) [view diff] exact match in snippet view article find links to article
b}|f(x)-p(x)|.} The Weierstrass approximation theorem states that every continuous function defined on a closed interval [a,b] can be uniformly approximated
Verona Cathedral (774 words) [view diff] exact match in snippet view article find links to article
Cattedrale di Verona) is claimed to be the world's oldest library in continuous function. Such is its importance that it has been dubbed the "Queen of ecclesiastical
Fuzzy differential equation (463 words) [view diff] exact match in snippet view article find links to article
real continuous function and f ( t ) : [ t 0 , ∞ ) → R F {\displaystyle f(t)\colon [t_{0},\infty )\rightarrow R_{F}} is a fuzzy continuous function y (
Discrepancy function (243 words) [view diff] exact match in snippet view article find links to article
perfectly reproduce the observed data. The discrepancy function is a continuous function of the elements of S, the sample covariance matrix, and Σ(θ), the
Càdlàg (1,306 words) [view diff] exact match in snippet view article find links to article
Right continuous function with left limits
Topological ring (1,040 words) [view diff] exact match in snippet view article find links to article
also a field, and such that inversion of non zero elements is a continuous function. The most common examples are the complex numbers and all its subfields
Glossary of order theory (4,204 words) [view diff] exact match in snippet view article find links to article
is the supremum of a directed set contained in {y in B | y<<x}. Continuous function. See Scott-continuous. Converse. The converse <° of an order < is
Competitive equilibrium (3,841 words) [view diff] exact match in snippet view article find links to article
demand function is continuous. Hence, z {\displaystyle z} is also a continuous function of p {\displaystyle p} . C. Define the following function from the
Periodogram (1,248 words) [view diff] exact match in snippet view article find links to article
definition of interest here is that the power spectral density of a continuous function, x(t), is the Fourier transform of its auto-correlation function
Undersampling (1,274 words) [view diff] exact match in snippet view article find links to article
exclusive (spectrally), the original transform and the original continuous function, or a frequency-shifted version of it (if desired), can be recovered
Stone's representation theorem for Boolean algebras (727 words) [view diff] exact match in snippet view article find links to article
algebra A to a Boolean algebra B corresponds in a natural way to a continuous function from S(B) to S(A). In other words, there is a contravariant functor
Survival function (2,086 words) [view diff] exact match in snippet view article find links to article
system fails immediately upon operation. Since the CDF is a right-continuous function, the survival function S ( t ) = 1 − F ( t ) {\displaystyle S(t)=1-F(t)}
Specialization (pre)order (1,414 words) [view diff] exact match in snippet view article
interest for T1 topologies, especially for all Hausdorff spaces. Any continuous function f {\displaystyle f} between two topological spaces is monotone with
Integral equation (5,605 words) [view diff] exact match in snippet view article find links to article
for an unknown function y ( t ) {\displaystyle y(t)} and a given continuous function g ( t ) {\displaystyle g(t)} on the interval I {\displaystyle I}
Blaschke product (597 words) [view diff] exact match in snippet view article find links to article
open unit disc such that f {\displaystyle f} can be extended to a continuous function on the closed unit disc Δ ¯ = { z ∈ C ∣ | z | ≤ 1 } {\displaystyle
Hilbert's fifth problem (1,077 words) [view diff] exact match in snippet view article find links to article
Let V ⊆ U be open subsets of Euclidean space, such that there is a continuous function f : V × V → U satisfying the group axiom of associativity. Does it
Gaussian free field (1,509 words) [view diff] exact match in snippet view article find links to article
\varphi _{k}} are set up that way). So, in this case, it is a random continuous function (not belonging to H 1 [ 0 , 1 ] {\displaystyle H^{1}[0,1]} , however)
Jackson's inequality (608 words) [view diff] exact match in snippet view article find links to article
, if f {\displaystyle f} is 2 π {\displaystyle 2\pi } -periodic continuous function, there exists a trigonometric polynomial T n {\displaystyle T_{n}}
Fredholm operator (1,609 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \varphi =e_{1}} . More generally, let φ be a complex continuous function on T that does not vanish on T {\displaystyle \mathbf {T} } , and
George Dantzig (2,362 words) [view diff] exact match in snippet view article find links to article
Corporation. pdf from RAND 1966. On the continuity of the minimum set of a continuous function. With Jon H. Folkman and Norman Shapiro. 1968. Mathematics of the
Hilbert cube (928 words) [view diff] exact match in snippet view article find links to article
can also be proved without the axiom of choice by constructing a continuous function from the usual Cantor set onto the Hilbert cube. In ℓ 2 , {\displaystyle
Itô's lemma (5,921 words) [view diff] exact match in snippet view article find links to article
, ∞ ] → R {\displaystyle x:[0,\infty ]\to \mathbb {R} } a right-continuous function with left limits and finite quadratic variation [ x ] {\displaystyle
Cup product (1,333 words) [view diff] exact match in snippet view article find links to article
following sense: if f : X → Y {\displaystyle f\colon X\to Y} is a continuous function, and f ∗ : H ∗ ( Y ) → H ∗ ( X ) {\displaystyle f^{*}\colon H^{*}(Y)\to
Conservation law (2,509 words) [view diff] exact match in snippet view article find links to article
and t is time. If we assume that the motion u of the charge is a continuous function of position and time, then j = ρ u ∂ ρ ∂ t = − ∇ ⋅ ( ρ u ) . {\displaystyle
Hadamard three-lines theorem (451 words) [view diff] exact match in snippet view article find links to article
be used to prove the Hadamard three-circle theorem for a bounded continuous function g ( z ) {\displaystyle g(z)} on an annulus { z : r ≤ | z | ≤ R }
Fourier inversion theorem (2,744 words) [view diff] exact match in snippet view article find links to article
this section we assume that f {\displaystyle f} is an integrable continuous function. Use the convention for the Fourier transform that ( F f ) ( ξ )
Fréchet mean (753 words) [view diff] exact match in snippet view article find links to article
{\displaystyle d_{m}(x,y)=\left|x^{m}-y^{m}\right|} Given an invertible and continuous function f {\displaystyle f} , the f-mean can be defined as the Fréchet mean
Binary classification (1,428 words) [view diff] exact match in snippet view article find links to article
Binary classification may be a form of dichotomization in which a continuous function is transformed into a binary variable. Tests whose results are of
Range imaging (1,379 words) [view diff] exact match in snippet view article find links to article
Under the assumption that the true range image is a more or less continuous function of the image coordinates, the correct depth can be obtained using
Nash equilibrium (8,777 words) [view diff] exact match in snippet view article find links to article
{\displaystyle f_{i}} is a continuous function of σ {\displaystyle \sigma } , and hence f {\displaystyle f} is a continuous function. As the cross product
Continuous wavelet transform (1,398 words) [view diff] exact match in snippet view article find links to article
{t-b}{a}}\right)\,\mathrm {d} t} where ψ ( t ) {\displaystyle \psi (t)} is a continuous function in both the time domain and the frequency domain called the mother
Bernhard Riemann (2,926 words) [view diff] exact match in snippet view article find links to article
habilitation. Among other things, he showed that every piecewise continuous function is integrable. Similarly, the Stieltjes integral goes back to the
Études (Ligeti) (1,499 words) [view diff] exact match in snippet view article
2018-03-17. Steinitz, p. 299. Steinitz, p. 304. "The title refers to a continuous function in mathematics, known as the Devil's Staircase or Cantor function
Thom–Mather stratified space (751 words) [view diff] exact match in snippet view article find links to article
[ 0 , + ∞ ) {\displaystyle \rho _{X}:T_{X}\to [0,+\infty )} is a continuous function. These data need to satisfy the following conditions. Each stratum
Polynomial interpolation (9,027 words) [view diff] exact match in snippet view article find links to article
converge to any continuous function f(x)? The answer is unfortunately negative: Theorem—For any table of nodes there is a continuous function f(x) on an interval
Carl B. Allendoerfer Award (114 words) [view diff] case mismatch in snippet view article find links to article
Emerging Julia Sets Irl Bivens and Ben Klein 2016 The Median Value of a Continuous Function Daniel Heath 2015 Straightedge and Compass Constructions in Spherical
Complete partial order (1,428 words) [view diff] exact match in snippet view article find links to article
every directed D ⊆ P {\displaystyle D\subseteq P} . Note that every continuous function between dcpos is a monotone function. This notion of continuity is
Alexiewicz norm (517 words) [view diff] exact match in snippet view article find links to article
if f ∈ A(R), then f is a tempered distribution and there exists a continuous function F in the above collection such that ⟨ F ′ , φ ⟩ = − ⟨ F , φ ′ ⟩ =
Convex preferences (1,212 words) [view diff] exact match in snippet view article find links to article
convexity. Convex function Level set Quasi-convex function Semi-continuous function Shapley–Folkman lemma Hal R. Varian; Intermediate Microeconomics
Clarke generalized derivative (392 words) [view diff] exact match in snippet view article find links to article
were introduced by Francis Clarke in 1975. For a locally Lipschitz continuous function f : R n → R , {\displaystyle f:\mathbb {R} ^{n}\rightarrow \mathbb
Maximal torus (1,734 words) [view diff] exact match in snippet view article find links to article
permutation group on n {\displaystyle n} elements. Suppose f is a continuous function on G. Then the integral over G of f with respect to the normalized
Complete Heyting algebra (1,274 words) [view diff] exact match in snippet view article find links to article
O(Y) are subframes of P(X) and P(Y). If f {\displaystyle f} is a continuous function, then f − 1 : O ( Y ) → O ( X ) {\displaystyle f^{-1}:O(Y)\to O(X)}
Ring theory (3,093 words) [view diff] exact match in snippet view article find links to article
consisting of those with constant rank n. (The rank of a module M is the continuous function Spec ⁡ R → Z , p ↦ dim ⁡ M ⊗ R k ( p ) {\displaystyle \operatorname
Ring theory (3,093 words) [view diff] exact match in snippet view article find links to article
consisting of those with constant rank n. (The rank of a module M is the continuous function Spec ⁡ R → Z , p ↦ dim ⁡ M ⊗ R k ( p ) {\displaystyle \operatorname
Clarke generalized derivative (392 words) [view diff] exact match in snippet view article find links to article
were introduced by Francis Clarke in 1975. For a locally Lipschitz continuous function f : R n → R , {\displaystyle f:\mathbb {R} ^{n}\rightarrow \mathbb
Eilenberg's inequality (473 words) [view diff] exact match in snippet view article find links to article
in the proof of the coarea formula. Let ƒ : X → Y be a Lipschitz-continuous function between metric spaces whose Lipschitz constant is denoted by Lip ƒ
Utilitarian rule (1,384 words) [view diff] exact match in snippet view article find links to article
{\displaystyle X} is a compact space and u i {\displaystyle u_{i}} is a continuous function.) Then define w i ( x )   :=   u i ( x ) − m i M i − m i {\displaystyle
Loewner differential equation (2,606 words) [view diff] exact match in snippet view article find links to article
the boundary is independent of s {\displaystyle s} and defines a continuous function λ ( t ) {\displaystyle \lambda (t)} from [ 0 , ∞ ) {\displaystyle
Harmonic function (3,471 words) [view diff] exact match in snippet view article find links to article
harmonic functions is still harmonic. This is true because every continuous function satisfying the mean value property is harmonic. Consider the sequence
Earle–Hamilton fixed-point theorem (799 words) [view diff] exact match in snippet view article find links to article
_{\gamma (0)=x,\gamma (1)=y}\ell (\gamma )}} for x and y in D. It is a continuous function on D x D for the norm topology. If the diameter of D is less than
Alice Roth (742 words) [view diff] exact match in snippet view article find links to article
Roth's 1938 thesis was an example of a compact set on which not every continuous function can by approximated uniformly by rational functions. This set, now
Kernel smoother (1,484 words) [view diff] exact match in snippet view article find links to article
p → R {\displaystyle Y(X):\mathbb {R} ^{p}\to \mathbb {R} } be a continuous function of X. For each X 0 ∈ R p {\displaystyle X_{0}\in \mathbb {R} ^{p}}
Nowhere dense set (2,401 words) [view diff] exact match in snippet view article find links to article
nowhere dense sets with positive measure and a strictly monotonic continuous function with a dense set of points with zero derivative". Folland, G. B.
Sphere (5,342 words) [view diff] exact match in snippet view article find links to article
sphere). The sphere is the inverse image of a one-point set under the continuous function ‖x‖, so it is closed; Sn is also bounded, so it is compact by the
Fourier transform (21,313 words) [view diff] exact match in snippet view article find links to article
frequency-domain function, and it converges at all frequencies to a continuous function tending to zero at infinity. If f ( x ) {\displaystyle f(x)} decays
Fourier series (11,152 words) [view diff] exact match in snippet view article find links to article
{\displaystyle s} is absolutely summable. The sum of this series is a continuous function, equal to s {\displaystyle s} , since the Fourier series converges
Minimax theorem (1,109 words) [view diff] exact match in snippet view article find links to article
× Y → R {\displaystyle f:X\times Y\rightarrow \mathbb {R} } is a continuous function that is concave-convex, i.e. f ( ⋅ , y ) : X → R {\displaystyle f(\cdot
Triangulation (topology) (5,150 words) [view diff] exact match in snippet view article
contractible. The simplicial approximation theorem guarantees for every continuous function f : V K → V L {\displaystyle f:V_{K}\rightarrow V_{L}} the existence
Mumford–Shah functional (849 words) [view diff] exact match in snippet view article find links to article
energy functionals E[ J,z,ε ] where the boundary B is replaced by continuous function z whose magnitude indicates the presence of a boundary. Their analysis
Placement (electronic design automation) (1,994 words) [view diff] exact match in snippet view article
Analytical methods for global placement model interconnect length by a continuous function and minimize this function directly subject to component density
Multilinear form (4,605 words) [view diff] exact match in snippet view article find links to article
U ) {\displaystyle \omega \in \Omega ^{k}(U)} . By convention, a continuous function on U {\displaystyle U} is a differential 0-form: f ∈ C 0 ( U ) =
0 (8,171 words) [view diff] exact match in snippet view article find links to article
combination meant a zero angle. Minutes of immersion was also a continuous function ⁠1/12⁠ 31′20″ √d(24−d) (a triangular pulse with convex sides), where
Gauss's law (3,806 words) [view diff] exact match in snippet view article find links to article
electric field, with ρ ( r ′ ) {\displaystyle \rho (\mathbf {r} ')} a continuous function (density of charge). It is true for all r ≠ r ′ {\displaystyle \mathbf
Pendulum wave (266 words) [view diff] exact match in snippet view article find links to article
2001, two University of Minnesota Morris researchers have derived a continuous function explaining the patterns in the pendulums using an extension to the
Feedforward neural network (2,242 words) [view diff] exact match in snippet view article find links to article
) Multiple parallel non-linear units are able to approximate any continuous function from a compact interval of the real numbers into the interval [−1
Q-derivative (1,782 words) [view diff] exact match in snippet view article find links to article
is a given interval, and β ( t ) {\displaystyle \beta (t)} is any continuous function that strictly monotonically increases (i.e. t > s → β ( t ) > β (
Norton's dome (908 words) [view diff] exact match in snippet view article find links to article
(the force that appears in Newton's second law is not a Lipschitz continuous function of the particle's trajectory -- this allows evasion of the local
Homotopy theory (3,814 words) [view diff] exact match in snippet view article find links to article
Hausdorff or a CW complex. In the same vein as above, a "map" is a continuous function, possibly with some extra constraints. Often, one works with a pointed
Branch point (2,725 words) [view diff] exact match in snippet view article find links to article
will yield another possible angle. A branch of the logarithm is a continuous function L(z) giving a logarithm of z for all z in a connected open set in
Discrete Laplace operator (5,716 words) [view diff] exact match in snippet view article find links to article
comprising images, can be viewed as a discrete representation of a continuous function f ( r ¯ ) {\displaystyle f({\bar {r}})} , where the coordinate vector
Rec. 2020 (3,332 words) [view diff] exact match in snippet view article find links to article
09929682680944 and β ≈ 0.018053968510807 (values chosen to achieve a continuous function with a continuous first derivative) The standard says that for practical
Denotational semantics (3,768 words) [view diff] exact match in snippet view article find links to article
Γ⊢P:σ. Then the meaning of this program-in-typing-context must be a continuous function 〚Γ⊢P:σ〛:〚Γ〛→〚σ〛. For instance, 〚⊢7:nat〛:1→ N {\displaystyle \mathbb
Bochner's theorem (1,405 words) [view diff] exact match in snippet view article find links to article
f(k)=\int _{\mathbb {T} }e^{-2\pi ikx}\,d\mu (x).} Similarly, a continuous function f {\displaystyle f} on R {\displaystyle \mathbb {R} } with f ( 0
Least-squares function approximation (945 words) [view diff] exact match in snippet view article find links to article
another function by minimizing the area between two functions, a continuous function f {\displaystyle f} on [ a , b ] {\displaystyle [a,b]} and a function
Expected value (7,622 words) [view diff] exact match in snippet view article find links to article
the general Lebesgue theory, due to the fact that every piecewise-continuous function is measurable. The expected value of any real-valued random variable
Rademacher's theorem (1,317 words) [view diff] exact match in snippet view article find links to article
found by Charles Morrey. In the following, let u denote a Lipschitz-continuous function on Rn. The first step of the proof is to show that, for any fixed
Time series (5,025 words) [view diff] exact match in snippet view article find links to article
entire data set. Spline interpolation, however, yield a piecewise continuous function composed of many polynomials to model the data set. Extrapolation
Henry Helson (676 words) [view diff] exact match in snippet view article find links to article
Helson set is defined to be a compact set P in G such that every continuous function on P can be extended to a function in the Fourier algebra A(G) in
Lambda-connectedness (1,125 words) [view diff] exact match in snippet view article find links to article
between them. In topology, two points are connected if there is a continuous function that could move from one point to another continuously. In management
Busemann function (12,927 words) [view diff] exact match in snippet view article find links to article
It is non-zero on X and vanishes only at ∞. Hence it extends to a continuous function on X with zero set X \ X. It follows that X \ X is closed in X, as
Khabibullin's conjecture on integral inequalities (773 words) [view diff] exact match in snippet view article find links to article
(version 3). Let q {\displaystyle \displaystyle q} be a non-negative continuous function on the half-line [ 0 , + ∞ ) {\displaystyle [0,+\infty )} and α >
Extreme learning machine (3,644 words) [view diff] exact match in snippet view article find links to article
universal approximation capability. In theory, any nonconstant piecewise continuous function can be used as activation function in ELM hidden nodes, such an activation
Ted Kaczynski (12,462 words) [view diff] case mismatch in snippet view article find links to article
2017. —— (November 1969). "The Set of Curvilinear Convergence of a Continuous Function Defined in the Interior of a Cube" (PDF). Proceedings of the American
Ekeland's variational principle (2,299 words) [view diff] exact match in snippet view article find links to article
of the lower semicontinuous function f {\displaystyle f} and the continuous function ( x , y ) ↦ ε d ( x , y ) . {\displaystyle (x,y)\mapsto \varepsilon
De Rham curve (2,813 words) [view diff] exact match in snippet view article find links to article
points. The resulting de Rham curve p x {\displaystyle p_{x}} is a continuous function of x, at all x. In general, the de Rham curves are not differentiable
Discrete Fourier transform (12,338 words) [view diff] exact match in snippet view article find links to article
DTFT § Periodic data), and therefore so is its product with the continuous function DTFT { x } . {\displaystyle \scriptstyle {\text{DTFT}}\displaystyle
Spline interpolation (2,446 words) [view diff] exact match in snippet view article find links to article
take the form of a straight line with q′′ = 0. As q′′ should be a continuous function of x, "natural splines" in addition to the n − 1 linear equations
Riesz–Fischer theorem (1,885 words) [view diff] exact match in snippet view article find links to article
summable coefficients, he gets a series converging uniformly to a continuous function F  with bounded variation. The derivative f  of F, defined almost
Critical point (mathematics) (2,990 words) [view diff] exact match in snippet view article
in others. By Fermat's theorem, all local maxima and minima of a continuous function occur at critical points. Therefore, to find the local maxima and