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searching for Recursive definition 79 found (104 total)

alternate case: recursive definition

Geometric modeling (551 words) [view diff] exact match in snippet view article find links to article

partition of space; and with fractal models that give an infinitely recursive definition of the shape. However, these distinctions are often blurred: for
Concatenation theory (291 words) [view diff] exact match in snippet view article find links to article
metamathematics especially proof theory. A generative grammar can be seen as a recursive definition in string theory. The most basic operation on strings is concatenation;
Superrationality (1,741 words) [view diff] exact match in snippet view article find links to article
Hofstadter provided this definition: "Superrational thinkers, by recursive definition, include in their calculations the fact that they are in a group
Cluster-expansion approach (2,121 words) [view diff] no match in snippet view article find links to article
The cluster-expansion approach is a technique in quantum mechanics that systematically truncates the BBGKY hierarchy problem that arises when quantum dynamics
Fast Walsh–Hadamard transform (387 words) [view diff] exact match in snippet view article find links to article
size n / 2 {\displaystyle n/2} . This implementation follows the recursive definition of the 2 m × 2 m {\displaystyle 2^{m}\times 2^{m}} Hadamard matrix
Exponential factorial (379 words) [view diff] exact match in snippet view article find links to article
the appropriate value at 0; any value would be consistent with the recursive definition. A smooth extension to the reals would satisfy f ( 0 ) = f ′ ( 1
Bézier curve (6,978 words) [view diff] exact match in snippet view article find links to article
_{2}+\mathbf {P} _{1})\,.} Bézier curves can be defined for any degree n. A recursive definition for the Bézier curve of degree n expresses it as a point-to-point
Rose tree (3,120 words) [view diff] exact match in snippet view article find links to article
"multidigraph". In a correspondence to the types of entities used in the recursive definition, each node of an apq is assigned a type (1), (2a), (2b), (2c) or
Minkowski's question-mark function (3,861 words) [view diff] exact match in snippet view article find links to article
also maps rational numbers to dyadic rationals, as can be seen by a recursive definition closely related to the Stern–Brocot tree. One way to define the question-mark
Pfaffian (3,810 words) [view diff] no match in snippet view article find links to article
In mathematics, the determinant of an m-by-m skew-symmetric matrix can always be written as the square of a polynomial in the matrix entries, a polynomial
Hereditarily finite set (1,447 words) [view diff] exact match in snippet view article find links to article
are finite sets, recursively all the way down to the empty set. A recursive definition of well-founded hereditarily finite sets is as follows: Base case:
Laguerre polynomials (5,759 words) [view diff] no match in snippet view article find links to article
In mathematics, the Laguerre polynomials, named after Edmond Laguerre (1834–1886), are nontrivial solutions of Laguerre's differential equation: x y ″
Mutual recursion (2,013 words) [view diff] exact match in snippet view article find links to article
thing with the children. This mutually recursive definition can be converted to a singly recursive definition by inlining the definition of a forest:
Digital topology (927 words) [view diff] exact match in snippet view article find links to article
digital surfaces. The digital manifold was studied in the 1990s. A recursive definition of the digital k-manifold was proposed intuitively by Chen and Zhang
Too connected to fail (500 words) [view diff] exact match in snippet view article find links to article
highly connected to systemically important banks, and so on. The recursive definition is equivalent to performing eigendecomposition of a matrix of connectivity
Tail call (4,175 words) [view diff] exact match in snippet view article find links to article
transformed into a tail-recursive definition by adding an argument a called an accumulator. This Julia program gives a tail-recursive definition fact_iter of the
Von Neumann universe (2,811 words) [view diff] exact match in snippet view article find links to article
into the definition of the rank of a set gives a self-contained recursive definition: The rank of a set is the smallest ordinal number strictly greater
Bernoulli number (13,028 words) [view diff] exact match in snippet view article find links to article
numbers that is more efficient than the one given by their original recursive definition: ( m + 3 m ) B m = { m + 3 3 − ∑ j = 1 m 6 ( m + 3 m − 6 j ) B m
CRM114 (program) (697 words) [view diff] no match in snippet view article
complete it is highly tuned for matching text, and even a simple (recursive) definition of the factorial takes almost ten lines. Part of this is because
Recursive least squares filter (2,407 words) [view diff] exact match in snippet view article find links to article
follows from the recursive definition of r d x ( n ) {\displaystyle \mathbf {r} _{dx}(n)} . Next we incorporate the recursive definition of P ( n ) {\displaystyle
Denotational semantics (3,784 words) [view diff] exact match in snippet view article find links to article
else return n * factorial(n-1); } To provide a meaning for this recursive definition, the denotation is built up as the limit of approximations, where
László Kalmár (708 words) [view diff] exact match in snippet view article find links to article
calculus could be formulated using a single binary predicate, if the recursive definition of a term was sufficiently rich. (This result is commonly attributed
Average memory access time (328 words) [view diff] exact match in snippet view article find links to article
{\displaystyle AMP_{1}=H_{2}+MR_{2}\cdot AMP_{2}} In this manner, this recursive definition can be extended throughout all layers of the memory hierarchy. John
Skew heap (825 words) [view diff] exact match in snippet view article find links to article
(approximately 1.44 log2 n). Skew heaps may be described with the following recursive definition:[citation needed][clarification needed] A heap with only one element
Course-of-values recursion (1,299 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \langle 0,0\rangle } . Not every recursive definition can be transformed into a primitive recursive definition. One known example is Ackermann's function
Description logic (4,305 words) [view diff] exact match in snippet view article find links to article
a member of the description logic family is characterized by its recursive definition, in which the constructors that can be used to form concept terms
Id (programming language) (409 words) [view diff] exact match in snippet view article
<- 2 to n } In A }; Note the use of non-strict evaluation in the recursive definition of the array A. Id's lenient evaluation strategy allows cyclic datastructures
Tetration (6,350 words) [view diff] exact match in snippet view article find links to article
numbers, and complex numbers. One such way for doing so is using a recursive definition for tetration; for any positive real a > 0 {\displaystyle a>0} and
Dragon curve (1,569 words) [view diff] exact match in snippet view article find links to article
replaces each edge of a square tiling with a dragon curve, using the recursive definition of the dragon starting from a line segment. The initial direction
If and only if (1,893 words) [view diff] exact match in snippet view article find links to article
every open cover has a finite subcover"). Moreover, in the case of a recursive definition, the only if half of the definition is interpreted as a sentence
Regular polytope (5,314 words) [view diff] no match in snippet view article find links to article
whose vertex figures are all regular and congruent. This is a "recursive" definition. It defines regularity of higher dimensional figures in terms of
Square matrix (1,831 words) [view diff] exact match in snippet view article find links to article
determinants of smaller matrices. This expansion can be used for a recursive definition of determinants (taking as starting case the determinant of a 1×1
Declarative programming (2,376 words) [view diff] exact match in snippet view article find links to article
;;; n! = n*(n-1)! This defines the factorial function using its recursive definition. In contrast, it is more typical to define a procedure for an imperative
McCarthy 91 function (1,260 words) [view diff] exact match in snippet view article find links to article
the tail-recursive version. This is an equivalent mutually tail-recursive definition: M m t ( n ) = M m t ′ ( n , 0 ) {\displaystyle M_{mt}(n)=M_{mt}'(n
Gödel's completeness theorem (2,331 words) [view diff] exact match in snippet view article find links to article
all structures in a particular language, which is clearly not a recursive definition. Also, it makes the concept of "provability", and thus of "theorem"
WebP (4,413 words) [view diff] exact match in snippet view article find links to article
Huffman coding and color indexing transform. This format uses a recursive definition: all of the control images, such as the local entropy code selection
Stack-oriented programming (1,686 words) [view diff] exact match in snippet view article find links to article
exch 0 eq or not { dup 1 sub fib exch 2 sub fib add } if } def A recursive definition is used on the stack. The Fibonacci number function takes one argument
Corecursion (4,184 words) [view diff] exact match in snippet view article find links to article
factorial values for increasing numbers 1, 2, 3... as in the above recursive definition with "time arrow" reversed, as it were, by reading it backwards as
Priority encoder (933 words) [view diff] exact match in snippet view article find links to article
Priority-encoder (left) symbol (right) recursive definition.
SuperPascal (1,793 words) [view diff] exact match in snippet view article find links to article
end end else node(min, left, right) end; Another example is the recursive definition of a process tree: procedure tree(depth: integer, bottom: channel);
Łukasiewicz logic (2,455 words) [view diff] exact match in snippet view article find links to article
but also any real number in between (e.g. 0.25). Valuations have a recursive definition where: w ( θ ∘ ϕ ) = F ∘ ( w ( θ ) , w ( ϕ ) ) {\displaystyle w(\theta
Kronecker delta (3,753 words) [view diff] exact match in snippet view article find links to article
Variational Principles. Courier Dover Publications. ISBN 0-486-65840-6. A recursive definition requires a first case, which may be taken as δ = 1 for p = 0, or
Blancmange curve (3,185 words) [view diff] exact match in snippet view article find links to article
above Fourier series for T w ( x ) . {\displaystyle T_{w}(x).} The recursive definition allows the monoid of self-symmetries of the curve to be given. This
General recursive function (2,747 words) [view diff] exact match in snippet view article find links to article
{\displaystyle (z+1)^{2}>x} . Using the minimization operator, a general recursive definition is Isqrt = μ ( Not ∘ Gt ∘ ( Mul ∘ ( S ∘ P 1 2 , S ∘ P 1 2 ) , P 2
Function composition (computer science) (2,175 words) [view diff] exact match in snippet view article
the treatment of functions lend themselves extremely well for a recursive definition of a variadic compositional operator. (define (compose . fs) (if
Internal measurement (922 words) [view diff] exact match in snippet view article find links to article
"Formal model of internal measurement: Alternate changing between recursive definition and domain equation". Physica D: Nonlinear Phenomena. 110 (3–4):
Anonymous recursion (1,513 words) [view diff] exact match in snippet view article find links to article
0 else n1 * g(n1 - 1)) fact = Y(fact1) Combining these yields a recursive definition of the factorial in lambda calculus (anonymous functions of a single
Pointer (computer programming) (9,778 words) [view diff] exact match in snippet view article
there is none */ }; This pointer-recursive definition is essentially the same as the reference-recursive definition from the language Haskell: data Link
Deflationary theory of truth (3,111 words) [view diff] exact match in snippet view article find links to article
Tarski formulated his definition of truth indirectly through a recursive definition of the satisfaction of sentential functions and then by defining
Bethe–Salpeter equation (1,815 words) [view diff] exact match in snippet view article find links to article
A graphical representation of the Bethe–Salpeter equation, showing its recursive definition
List of first-order theories (5,269 words) [view diff] exact match in snippet view article find links to article
assures that S is an injection. Axioms (4) and (5) are the standard recursive definition of addition; (6) and (7) do the same for multiplication. Robinson
Free monoid (2,985 words) [view diff] exact match in snippet view article find links to article
well-defined even if the rank of the monoid is infinite, as the above recursive definition works for all strings of finite length. String projection is a morphism
Deterministic finite automaton (3,734 words) [view diff] exact match in snippet view article find links to article
this process may be recursively continued, giving the following recursive definition of δ ^ : Q × Σ ⋆ → Q {\displaystyle {\widehat {\delta }}:Q\times
Peano axioms (6,428 words) [view diff] exact match in snippet view article find links to article
\\u(Sx)&=S_{X}(ux).\end{aligned}}} This is precisely the recursive definition of 0X and SX. When the Peano axioms were first proposed, Bertrand
Catalan number (5,934 words) [view diff] exact match in snippet view article find links to article
possible lengths of c 1 {\displaystyle c_{1}} immediately gives the recursive definition C 0 = 1 and C n + 1 = ∑ i = 0 n C i C n − i for  n ≥ 0 {\displaystyle
Rudin–Shapiro sequence (2,732 words) [view diff] exact match in snippet view article find links to article
expressed as the fixed point of some uniform morphism alone. There is a recursive definition { r 2 n = r n r 2 n + 1 = ( − 1 ) n r n {\displaystyle
Computer program (13,305 words) [view diff] exact match in snippet view article find links to article
describes the syntax of a language and itself has a syntax. This recursive definition is an example of a meta-language. The syntax of BNF includes: ::=
United States congressional apportionment (4,874 words) [view diff] exact match in snippet view article find links to article
before the possible allocation of the next seat. An equivalent, recursive definition is A m + 1 = m m + 2   A m {\displaystyle A_{m+1}={\sqrt {\frac {m}{m+2}}}\
Bellman equation (4,005 words) [view diff] exact match in snippet view article find links to article
x_{1}=T(x_{0},a_{0})} . Therefore, the problem can be rewritten as a recursive definition of the value function: V ( x 0 ) = max a 0 { F ( x 0 , a 0 ) + β
BKM algorithm (2,001 words) [view diff] exact match in snippet view article find links to article
would be}}\leq x\\x_{k-1}&{\text{otherwise}}\end{cases}}} Given this recursive definition and because x k {\displaystyle x_{k}} is strictly increasing, it
Matrix (mathematics) (13,476 words) [view diff] exact match in snippet view article
determinants of smaller matrices. This expansion can be used for a recursive definition of determinants (taking as starting case the determinant of a 1-by-1
Sprague–Grundy theorem (3,353 words) [view diff] exact match in snippet view article find links to article
left with exactly one object in exactly one pile. So, using our recursive definition, Bob really only has one move: ∗ 1 {\displaystyle *1} . Thus, Bob's
Permutation pattern (4,037 words) [view diff] exact match in snippet view article find links to article
permutation pattern poset which is more efficient than the naïve recursive definition. The first such result was established by Sagan & Vatter (2006),
Church encoding (7,018 words) [view diff] exact match in snippet view article find links to article
n=\operatorname {divide1} \ (\operatorname {succ} \ n)} divide1 is a recursive definition. The Y combinator may be used to implement the recursion. Create
Redheffer matrix (6,249 words) [view diff] exact match in snippet view article find links to article
determine its Dirichlet inverse exactly without resorting to a standard recursive definition of this function via yet another convolved divisor sum involving
Principia Mathematica (9,459 words) [view diff] exact match in snippet view article find links to article
theory specifies the rules of syntax (rules of grammar) usually as a recursive definition that starts with "0" and specifies how to build acceptable strings
Exterior algebra (12,098 words) [view diff] exact match in snippet view article find links to article
\bigwedge }^{\!n}(V)\to {\textstyle \bigwedge }^{\!n-k}(V)} by the recursive definition ι α ∧ β = ι β ∘ ι α . {\displaystyle \iota _{\alpha \wedge \beta
Brouwer–Hilbert controversy (4,440 words) [view diff] exact match in snippet view article find links to article
counting, "proof by induction"); and (3) the definition by induction (recursive definition of "number-theoretic functions or predicates). With regards to (3)
Ackermann function (7,042 words) [view diff] exact match in snippet view article find links to article
{A} _{m+1}(n)&=&\operatorname {A} _{m}^{n+1}(1)\\\end{array}}} The recursive definition of the Ackermann function can naturally be transposed to a term rewriting
Surreal number (11,647 words) [view diff] exact match in snippet view article find links to article
0; in other words, { | } is a form of the surreal number 0. The recursive definition of surreal numbers is completed by defining comparison: Given numeric
Propositional formula (11,120 words) [view diff] exact match in snippet view article find links to article
presents a state machine that will do the job, and by use of induction (recursive definition) Minsky proves the "method" and presents a theorem as the result
Vienna Development Method (5,128 words) [view diff] exact match in snippet view article find links to article
SqList(s) == if s = [] then [] else [(hd s)**2] ^ SqList(tl s) This recursive definition consists of a function signature giving the types of the input and
Service-oriented programming (3,088 words) [view diff] exact match in snippet view article find links to article
connected to SOP programming constructs. A Composite service has a recursive definition meaning that any service inside ("inner service") may be another
Head/tail breaks (6,740 words) [view diff] case mismatch in snippet view article find links to article
1080/00045608.2013.765773. S2CID 119257295. Jiang, Bin (2019). "A Recursive Definition of Goodness of Space for Bridging the Concepts of Space and Place
Hindley–Milner type system (8,534 words) [view diff] exact match in snippet view article find links to article
\alpha .(\alpha \rightarrow \alpha )\rightarrow \alpha } . A possible recursive definition could thus be formulated as r e c   v = e 1   i n   e 2   ::= l e
Implementation of mathematics in set theory (10,960 words) [view diff] exact match in snippet view article find links to article
{\mathrm {def.} }{=}}\left\{z:z\in x\vee z\in y\right\}} This is a recursive definition of unordered n {\displaystyle n} -tuples for any concrete n {\displaystyle
Let expression (5,006 words) [view diff] case mismatch in snippet view article find links to article
Form And Recursive Definition / Constraint Description Simple No No Definition Simple non recursive function definition. Recursive No Yes Definition Recursive
Geiringer–Laman theorem (5,841 words) [view diff] exact match in snippet view article find links to article
construction. A Henneberg graph G {\displaystyle G} has the following recursive definition: G {\displaystyle G} is a single edge or G {\displaystyle G} can
Glossary of logic (30,196 words) [view diff] exact match in snippet view article find links to article
theorem (analysis of algorithms) 2.  Kleene's recursion theorem recursive definition A definition of a function, set, or other mathematical object that