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Longer titles found: Proto-value function (view)

searching for Value function 193 found (212 total)

alternate case: value function

Absolute value (3,477 words) [view diff] exact match in snippet view article find links to article

The real absolute value function is a piecewise linear, convex function. For both real and complex numbers the absolute value function is idempotent (meaning
Temporal difference learning (1,565 words) [view diff] exact match in snippet view article find links to article
methods which learn by bootstrapping from the current estimate of the value function. These methods sample from the environment, like Monte Carlo methods
Subderivative (1,269 words) [view diff] exact match in snippet view article find links to article
need not be differentiable at all points: For example, the absolute value function f ( x ) = | x | {\displaystyle f(x)=|x|} is non-differentiable when
Bellman equation (4,004 words) [view diff] exact match in snippet view article find links to article
induction by writing down the relationship between the value function in one period and the value function in the next period. The relationship between these
Sign function (2,711 words) [view diff] exact match in snippet view article find links to article
{\text{d}}x=|b|-|a|\,.} In fact, the signum function is the derivative of the absolute value function, except where there is an abrupt change in gradient at zero: d | x |
Singularity (mathematics) (2,048 words) [view diff] exact match in snippet view article
function is not defined, as involving a division by zero. The absolute value function g ( x ) = | x | {\displaystyle g(x)=|x|} also has a singularity at x
Partially observable Markov decision process (3,306 words) [view diff] exact match in snippet view article find links to article
state, compactly represented by the optimal value function V ∗ {\displaystyle V^{*}} . This value function is solution to the Bellman optimality equation:
Prospect theory (6,531 words) [view diff] exact match in snippet view article find links to article
preferring the certain outcome with a lower expected utility (concave value function). Agents will choose the certain $450 even though the expected utility
Medium of exchange (2,734 words) [view diff] no match in snippet view article find links to article
In economics, a medium of exchange is any item that is widely acceptable in exchange for goods and services. In modern economies, the most commonly used
Karush–Kuhn–Tucker conditions (3,966 words) [view diff] exact match in snippet view article find links to article
h j ( x ) = 0. {\displaystyle g_{i}(x)\leq a_{i},h_{j}(x)=0.} The value function is defined as V ( a 1 , … , a n ) = sup x f ( x ) {\displaystyle V(a_{1}
Symmetric derivative (1,534 words) [view diff] exact match in snippet view article find links to article
the converse is not true. A well-known counterexample is the absolute value function f(x) = |x|, which is not differentiable at x = 0, but is symmetrically
Piecewise function (1,065 words) [view diff] exact match in snippet view article find links to article
out. As an example, consider the piecewise definition of the absolute value function: | x | = { − x , if  x < 0 + x , if  x ≥ 0. {\displaystyle |x|={\begin{cases}-x
Time-utility function (2,586 words) [view diff] case mismatch in snippet view article find links to article
A Time/Utility Function (TUF), née Time/Value Function, specifies the application-specific utility that an action (e.g., computational task, mechanical
Undefined (mathematics) (1,506 words) [view diff] no match in snippet view article
In mathematics, the term undefined refers to a value, function, or other expression that cannot be assigned a meaning within a specific formal system
Model-free (reinforcement learning) (614 words) [view diff] exact match in snippet view article
this framework, each policy is first evaluated by its corresponding value function. Then, based on the evaluation result, greedy search is completed to
Cumulative prospect theory (610 words) [view diff] exact match in snippet view article find links to article
relative to the reference point, replacing the utility function with a value function that depends on relative payoff, and replacing cumulative probabilities
Greeks (finance) (5,557 words) [view diff] exact match in snippet view article
theta and rho; as well as gamma, a second-order derivative of the value function. The remaining sensitivities in this list are common enough that they
Elementary function (1,288 words) [view diff] exact match in snippet view article find links to article
rational functions and algebraic functions are elementary. The absolute value function, for real x {\displaystyle x} , is also elementary as it can be expressed
Balanced set (5,279 words) [view diff] exact match in snippet view article find links to article
space (over a field K {\displaystyle \mathbb {K} } with an absolute value function | ⋅ | {\displaystyle |\cdot |} ) is a set S {\displaystyle S} such that
Richard E. Bellman (1,586 words) [view diff] exact match in snippet view article find links to article
to optimal control theory. The solution of the HJB equation is the 'value function', which gives the optimal cost-to-go for a given dynamical system with
Production set (1,082 words) [view diff] exact match in snippet view article find links to article
If a production set is separable then we may define a "production value function" fp(x) in terms of a price vector p. If x is a monetary quantity, then
Spreadsort (1,926 words) [view diff] exact match in snippet view article find links to article
function, especially on complex structures. Poor implementation of this value function can result in clustering that harms the algorithm's relative performance
Recursive competitive equilibrium (234 words) [view diff] exact match in snippet view article find links to article
These functions (decision rules) include (a) a pricing function, (b) a value function, (c) a period allocation policy specifying the individual's decision
Risk aversion (psychology) (6,628 words) [view diff] exact match in snippet view article
outcomes are valued or how probabilities are judged. In these analyses, a value function indexes the attractiveness of varying outcomes, a weighting function
National Exam (Indonesia) (1,352 words) [view diff] exact match in snippet view article
When that happens on the national exam or school then the boundary value function to separate the students who graduated and did not pass is called the
Rolle's theorem (2,015 words) [view diff] exact match in snippet view article find links to article
the conclusion of Rolle's theorem may not hold. Consider the absolute value function f ( x ) = | x | , x ∈ [ − 1 , 1 ] . {\displaystyle f(x)=|x|,\quad x\in
Adams chromatic valence color space (1,332 words) [view diff] exact match in snippet view article find links to article
components: V Y , {\displaystyle V_{Y},} the Munsell–Sloan–Godlove value function: V Y 2 = 1.4742 Y − 0.004743 Y 2 ; {\displaystyle V_{Y}^{2}=1.4742Y-0
Equivalent variation (490 words) [view diff] no match in snippet view article find links to article
Equivalent variation (EV) is a measure of economic welfare changes associated with changes in prices. John Hicks (1939) is attributed with introducing
Multiple-criteria decision analysis (5,920 words) [view diff] exact match in snippet view article find links to article
preferences by constructing a value function. Perhaps the most well-known of these methods is goal programming. Once the value function is constructed, the resulting
Shapley value (4,875 words) [view diff] exact match in snippet view article find links to article
w 1 , … , w m } . {\displaystyle N=\{o,w_{1},\ldots ,w_{m}\}.} The value function for this coalitional game is v ( S ) = { ( | S | − 1 ) p if  o ∈ S
Robbins' problem (2,018 words) [view diff] exact match in snippet view article find links to article
corresponding value function w ( t ) {\displaystyle w(t)} is bounded and Lipschitz continuous, and the differential equation for this value function is derived
Fair division (2,964 words) [view diff] exact match in snippet view article find links to article
people is assumed to have a personal, subjective utility function or value function, V i {\displaystyle V_{i}} , which assigns a numerical value to each
Q-learning (3,835 words) [view diff] exact match in snippet view article find links to article
learning leads to propagation of errors and instabilities when the value function is approximated with an artificial neural network. In that case, starting
Multicriteria classification (1,809 words) [view diff] exact match in snippet view article find links to article
modeling approach for MCPs are based on value function models, outranking relations, and decision rules: In a value function model, the classification rules can
Deep reinforcement learning (1,658 words) [view diff] exact match in snippet view article find links to article
Q-learning with deep neural networks. DQN approximates the optimal action-value function using a convolutional neural network and introduced techniques such
Least absolute deviations (2,154 words) [view diff] exact match in snippet view article find links to article
values of the residuals one generalises the absolute value function to a tilted absolute value function, which on the left half-line has slope τ − 1 {\displaystyle
Mean-field game theory (2,419 words) [view diff] exact match in snippet view article find links to article
at time t {\displaystyle t} and position x {\displaystyle x} , the value function u ( t , x ) {\displaystyle u(t,x)} can be determined as: u ( t , x )
Huber loss (1,098 words) [view diff] exact match in snippet view article find links to article
&{\text{otherwise.}}\end{cases}}} The Huber loss is the convolution of the absolute value function with the rectangular function, scaled and translated. Thus it "smoothens
Mocha (JavaScript framework) (175 words) [view diff] no match in snippet view article
= require("assert") describe('Foo', function(){ describe('#getBar(value)', function() { it('should return 100 when value is negative') // placeholder
Value-level programming (401 words) [view diff] exact match in snippet view article find links to article
primarily value-level, consider the usual definition of a value-to-value function, say f = λx.E here, x must be a value variable (since the argument of
State–action–reward–state–action (716 words) [view diff] exact match in snippet view article find links to article
Watkin's Q-learning updates an estimate of the optimal state-action value function Q ∗ {\displaystyle Q^{*}} based on the maximum reward of available actions
Proximal policy optimization (2,504 words) [view diff] exact match in snippet view article find links to article
Input: initial policy parameters θ 0 {\textstyle \theta _{0}} , initial value function parameters ϕ 0 {\textstyle \phi _{0}} Hyperparameters: KL-divergence
Derivative (7,280 words) [view diff] exact match in snippet view article find links to article
point, it may not be differentiable there. For example, the absolute value function given by f ( x ) = | x | {\displaystyle f(x)=|x|} is continuous at ⁠
Fair cake-cutting (4,016 words) [view diff] exact match in snippet view article find links to article
people with subjective value functions over C. Each person i has a value function Vi which maps subsets of C to numbers. All value functions are assumed
Equitability (403 words) [view diff] exact match in snippet view article find links to article
the resource allocated to partner i; V i {\displaystyle V_{i}} is the value function of partner i. Usually these functions are normalized such that V i (
Analytic function (2,233 words) [view diff] exact match in snippet view article find links to article
Typical examples of functions that are not analytic are The absolute value function when defined on the set of real numbers or complex numbers is not everywhere
Algebraic number theory (5,798 words) [view diff] exact match in snippet view article find links to article
Consider, for example, the integers. In addition to the usual absolute value function |·| : Q → R, there are p-adic absolute value functions |·|p : Q → R
Ordinal utility (3,953 words) [view diff] exact match in snippet view article find links to article
by an additive value function. Here we provide an intuitive explanation of this result by showing how such an additive value function can be constructed
Differentiable function (1,884 words) [view diff] exact match in snippet view article find links to article
The absolute value function is continuous (i.e. it has no gaps). It is differentiable everywhere except at the point x = 0, where it makes a sharp turn
Medical statistics (1,108 words) [view diff] exact match in snippet view article find links to article
that any observed difference between groups is due to chance. The P value function between 0 and 1. The closer to 0, the less likely the results are due
Shephard's lemma (721 words) [view diff] exact match in snippet view article find links to article
function e ( p 1 , p 2 , u ) {\displaystyle e(p_{1},p_{2},u)} is the value function of the constrained optimization problem characterized by the following
Quantile regression (4,109 words) [view diff] exact match in snippet view article find links to article
the function ρ τ {\displaystyle \rho _{\tau }} is the tilted absolute value function. The intuition is the same as for the population quantile. The τ {\displaystyle
Mountain car problem (1,173 words) [view diff] exact match in snippet view article find links to article
drives, the agent can approximate the value function at each state. Unlike the step-wise version of the value function created with discretization, function
Financial capital (1,866 words) [view diff] exact match in snippet view article find links to article
trading reveals differences in probability of debt collection or store of value function of that currency, as assigned by traders. When in forms other than money
Mutation testing (2,937 words) [view diff] exact match in snippet view article find links to article
value to higher value function multiplyByTwoMutation1(value) { return value * 10; } // Value mutation: Higher value to small value function multiplyByTwoMutation2(value)
Vertical bar (2,920 words) [view diff] exact match in snippet view article find links to article
the modulo or residue function between two operands and the absolute value function next to one operand. The vertical bar is used for list comprehensions
Diffusion wavelets (1,026 words) [view diff] exact match in snippet view article find links to article
processes and Markov chains for machine learning, transfer learning, value function approximation in reinforcement learning, dimensionality reduction, mesh
Standard of deferred payment (869 words) [view diff] exact match in snippet view article find links to article
diamond or gold examples illustrate.[citation needed] the store of value function, which relates to the saving, storing, and retrieval of value; and the
Google Chrome Frame (604 words) [view diff] case mismatch in snippet view article find links to article
Registry key Value Function HKCU\Software\Google\ChromeFrame AllowUnsafeURLs=1 (DWORD) By adding the gcf: prefix to the URL in address bar, the page will
Minimax (3,814 words) [view diff] exact match in snippet view article find links to article
actions taken by all other players. v i {\displaystyle v_{i}} is the value function of player i. Calculating the maximin value of a player is done in a
Bondareva–Shapley theorem (301 words) [view diff] exact match in snippet view article find links to article
form, where N {\displaystyle N} is the set of players and where the value function v : 2 N → R {\displaystyle v:2^{N}\to \mathbb {R} } is defined on N
Adiabatic quantum computation (2,010 words) [view diff] exact match in snippet view article find links to article
x_{j}\in \{0,1\}} such that C i {\displaystyle C_{i}} is a Boolean value function of x 1 , x 2 , … , x n {\displaystyle x_{1},x_{2},\dots ,x_{n}} . QAA
Confidence interval (3,989 words) [view diff] no match in snippet view article find links to article
approach in frequentist statistics Margin of error, the CI halfwidth p-value – Function of the observed sample results Prediction interval, an interval estimate
Common Lisp Object System (1,734 words) [view diff] exact match in snippet view article find links to article
not enforce encapsulation. Any slot can be accessed using the slot-value function or via (optionally auto-generated) accessor methods. To access it via
Weak derivative (1,046 words) [view diff] exact match in snippet view article find links to article
unique (at least, up to a set of measure zero, see below). The absolute value function u : R → R + , u ( t ) = | t | {\displaystyle u:\mathbb {R} \rightarrow
José Scheinkman (1,254 words) [view diff] case mismatch in snippet view article find links to article
paper from 1979 with L. M. Benveniste "On the Differentiability of the Value Function in Dynamic Models of Economics", which provides conditions on model
Heaviside step function (2,157 words) [view diff] exact match in snippet view article find links to article
{d}{dx}}\max\{x,0\}\quad {\mbox{for }}x\neq 0} in terms of the absolute value function as H ( x ) = x + | x | 2 x {\displaystyle H(x)={\frac {x+|x|}{2x}}}
Proportional division (1,056 words) [view diff] exact match in snippet view article find links to article
is also sufficient. I.e., when there are at least two partners whose value function is even slightly different, then there is a super-proportional division
Roy's identity (812 words) [view diff] exact match in snippet view article find links to article
function v ( p 1 , p 2 , w ) {\displaystyle v(p_{1},p_{2},w)} is the value function of the constrained optimization problem characterized by the following
Tangent (4,113 words) [view diff] exact match in snippet view article find links to article
algebraic geometry, as a double tangent. The graph y = |x| of the absolute value function consists of two straight lines with different slopes joined at the origin
Laplace distribution (3,126 words) [view diff] exact match in snippet view article find links to article
one distinguishes two symmetric cases) due to the use of the absolute value function. Its cumulative distribution function is as follows: F ( x ) = ∫ − ∞
Lightness (3,566 words) [view diff] exact match in snippet view article find links to article
W^{\star }=25{\sqrt[{3}]{Y}}-17.} This formula approximates the Munsell value function for 1% < Y < 98% (it is not applicable for Y < 1%) and is used for the
Risch algorithm (1,884 words) [view diff] exact match in snippet view article find links to article
algebra systems use heuristics); moreover, if one adds the absolute value function to the list of elementary functions, then it is known that no such algorithm
Parameter (computer programming) (3,596 words) [view diff] no match in snippet view article
function with a single output or input/output parameter and no return value, function composition is possible if the output or input/output parameter (or
Bilevel optimization (2,183 words) [view diff] exact match in snippet view article find links to article
z):g_{j}(x,z)\leq 0,j\in \{1,2,\ldots ,J\}\}} the so-called optimal value function, a possible single-level reformulation of the bilevel problem is min
Endowment effect (4,978 words) [view diff] exact match in snippet view article find links to article
willing to accept to sell (C-A) units; the value function for perceived gains is not as steep as the value function for perceived losses. Figure 1 presents
PC System Design Guide (677 words) [view diff] case mismatch in snippet view article find links to article
Color / Pantone value Function Connector on PC Mouse and keyboard    Green / 3395C PS/2 mouse / pointing device 6-pin mini-DIN female   Purple / 2715C
Iverson bracket (1,650 words) [view diff] exact match in snippet view article find links to article
_{A}(x)=[x\in A].} The Heaviside step function, sign function, and absolute value function are also easily expressed in this notation: H ( x ) = [ x ≥ 0 ] , sgn
Gas centrifuge (2,325 words) [view diff] exact match in snippet view article find links to article
V(x_{t})-F\cdot V(x_{f})} where V ( x ) {\displaystyle V\left(x\right)} is the value function, defined as V ( x ) = ( 1 − 2 x ) ⋅ ln ⁡ ( 1 − x x ) {\displaystyle
Maximum theorem (1,875 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \theta \in \Theta } . Define the marginal function (or value function) f ∗ : Θ → R {\displaystyle f^{*}:\Theta \to \mathbb {R} } by f ∗ (
Archimedean property (2,393 words) [view diff] exact match in snippet view article find links to article
follows. Let K {\displaystyle K} be a field endowed with an absolute value function, i.e., a function which associates the real number 0 {\displaystyle
Isotope separation (4,305 words) [view diff] exact match in snippet view article find links to article
by the expression SWU = WV(xw) + PV(xp) - FV(xf), where V(x) is the "value function," defined as V(x) = (1 - 2x) ln ((1 - x) /x). Separative work is expressed
Black–Scholes equation (2,715 words) [view diff] exact match in snippet view article find links to article
convolution method for solving a diffusion equation given an initial value function, u(x, 0), we have u ( x , τ ) = 1 σ 2 π τ ∫ − ∞ ∞ u 0 ( y ) exp ⁡ [
Detection limit (2,178 words) [view diff] no match in snippet view article find links to article
of gamma-ray sources Malmquist bias – Sampling bias in astronomy p-value – Function of the observed sample results Misuse of p-values – Misinterpretation
Vickrey–Clarke–Groves mechanism (2,484 words) [view diff] exact match in snippet view article find links to article
family works in the following way: 1. It asks the agents to report their value function. I.e, each agent i {\displaystyle i} should report v i ( x ) {\displaystyle
Tanaka's formula (378 words) [view diff] exact match in snippet view article find links to article
be seen as the analogue of Itō's lemma for the (nonsmooth) absolute value function f ( x ) = | x | {\displaystyle f(x)=|x|} , with f ′ ( x ) = sgn ⁡ (
On-Line Encyclopedia of Integer Sequences (5,601 words) [view diff] exact match in snippet view article find links to article
Sequence field consisting of all the values passed through the absolute value function. tabf – "An irregular (or funny-shaped) array of numbers made into a
Ada (programming language) (5,728 words) [view diff] no match in snippet view article
functions. Functions differ from procedures in that they must return a value. Function calls cannot be used "as a statement", and their result must be assigned
Median (8,022 words) [view diff] exact match in snippet view article find links to article
inequalities come from Jensen's inequality applied to the absolute-value function and the square function, which are each convex. The second inequality
OpenWebNet (946 words) [view diff] case mismatch in snippet view article find links to article
WHO value Function 0 Scenario 1 Lighting 2 Automation 3 Load control 4 Temperature Control/Heating 5 Burglar Alarm/Intrusion 6 Door Entry System 7 Video
Semi-differentiability (1,323 words) [view diff] exact match in snippet view article find links to article
semi-differentiable function, which is not differentiable, is the absolute value function f ( x ) = | x | {\displaystyle f(x)=|x|} , at a = 0. We find easily
Function (computer programming) (6,531 words) [view diff] no match in snippet view article
of BASIC, use a different name for a callable unit that returns a value (function or subprogram) vs. one that does not (subroutine or procedure). Other
Approximation error (2,701 words) [view diff] exact match in snippet view article find links to article
generalization is typically achieved by systematically replacing the absolute value function (which effectively measures magnitude or "size" for scalar numbers)
Continuous linear extension (741 words) [view diff] exact match in snippet view article find links to article
satisfies all of the vector space axioms and is normed by the absolute value function. Reed, Michael; Barry Simon (1980). Methods of Modern Mathematical Physics
Lawrence Benveniste (694 words) [view diff] case mismatch in snippet view article find links to article
growth and development. His 1979 paper, "On the Differentiability of the Value Function in Dynamic Economic Models," (co-authored its José Scheinkman) provided
Convex conjugate (2,012 words) [view diff] exact match in snippet view article find links to article
{\text{where}}{\tfrac {1}{p}}+{\tfrac {1}{q}}=1.} The convex conjugate of the absolute value function f ( x ) = | x | {\displaystyle f(x)=\left|x\right|} is f ∗ ( x ∗ ) =
Policy gradient method (6,295 words) [view diff] exact match in snippet view article find links to article
policy optimization methods. Unlike value-based methods which learn a value function to derive a policy, policy optimization methods directly learn a policy
Luce's choice axiom (496 words) [view diff] no match in snippet view article find links to article
{\displaystyle P(a\mid A)={\frac {u(a)}{\sum _{a'\in A}u(a')}}} , for some "value" function u : A → ( 0 , ∞ ) {\displaystyle u:A\to (0,\infty )} . This is sometimes
Go (game) (16,260 words) [view diff] exact match in snippet view article
complex it appears infeasible to directly approximate using a policy or value function". Prior to 2015, the best Go programs only managed to reach amateur
Symmetric fair cake-cutting (1,786 words) [view diff] exact match in snippet view article find links to article
be a 1-dimensional interval. There are n people. Each person i has value function Vi which maps subsets of C to weakly-positive numbers. A division procedure
Efficient cake-cutting (1,925 words) [view diff] exact match in snippet view article find links to article
{\displaystyle n} partners. Each partner i {\displaystyle i} has a subjective value function V i {\displaystyle V_{i}} which maps subsets of C {\displaystyle C}
Critical point (mathematics) (2,989 words) [view diff] exact match in snippet view article
critical value is f ( 0 ) = 0. {\displaystyle f(0)=0.} The absolute value function f ( x ) = | x | {\displaystyle f(x)=|x|} is differentiable everywhere
Monte Carlo tree search (4,658 words) [view diff] exact match in snippet view article find links to article
back to the AMS simulation optimization algorithm for estimating the value function in finite-horizon Markov Decision Processes (MDPs) introduced by Chang
Nucleolus (game theory) (2,010 words) [view diff] exact match in snippet view article
incentives of coalitions to deviate. A cooperative game is represented by a value function v : 2 N → R {\displaystyle v:2^{N}\to \mathbb {R} } , which assigns
Likelihood function (8,546 words) [view diff] exact match in snippet view article find links to article
Maximizing with respect to β 2 {\textstyle \beta _{2}} yields an optimal value function β 2 ( β 1 ) = ( X 2 T X 2 ) − 1 X 2 T ( y − X 1 β 1 ) {\textstyle \beta
Thomas G. Dietterich (2,778 words) [view diff] exact match in snippet view article find links to article
Dietterich, T. G. (2000). Hierarchical reinforcement learning with the MAXQ value function decomposition. Journal of Artificial Intelligence Research, 13, 227-303
Homicidal chauffeur problem (393 words) [view diff] case mismatch in snippet view article find links to article
case of the homicidal chauffeur game problem Homicidal Chauffeur Game. Computation of Level Sets of the Value Function The Homicidal Chauffeur Problem
Richardson's theorem (704 words) [view diff] exact match in snippet view article find links to article
everywhere If E includes also the expression |x| (representing the absolute value function), deciding whether an expression A in E represents a function that is
Triad (sociology) (948 words) [view diff] exact match in snippet view article
doi:10.1016/j.indmarman.2016.01.005. Vedel, Mette (2016). "The triad value function - theorizing the value potential of connected relationships". The Journal
Convex function (5,855 words) [view diff] exact match in snippet view article find links to article
strictly positive at all points. It is not strongly convex. The absolute value function f ( x ) = | x | {\displaystyle f(x)=|x|} is convex (as reflected in
Property (programming) (1,742 words) [view diff] no match in snippet view article
$value) { if (property_exists($this, $property)) { $this->$property = $value; } } function __get($property) { if (property_exists($this, $property)) { return
Continuous function (9,305 words) [view diff] exact match in snippet view article find links to article
can be shown. The converse does not hold: for example, the absolute value function f ( x ) = | x | = {   x  if  x ≥ 0 − x  if  x < 0 {\displaystyle
Disposition effect (1,501 words) [view diff] exact match in snippet view article find links to article
the same amount of gains. This phenomenon is called the “asymmetric value function," which means, in short, the pain of loss outweighs the equivalent level
The Alignment Problem (804 words) [view diff] exact match in snippet view article find links to article
which AI systems need to develop policy ("what to do") in the face of a value function ("what rewards or punishment to expect"). He calls the DeepMind AlphaGo
Real analysis (7,671 words) [view diff] exact match in snippet view article find links to article
{R} \times \mathbb {R} \to \mathbb {R} _{\geq 0}} using the absolute value function as d ( x , y ) = | x − y | {\displaystyle d(x,y)=|x-y|} , the real numbers
Merge sort (6,726 words) [view diff] no match in snippet view article find links to article
this case, merge() would use node for its input parameters and return value. function merge_sort(node head) is // return if empty list if head = nil then
Deep learning (17,772 words) [view diff] exact match in snippet view article find links to article
marketing actions, defined in terms of RFM variables. The estimated value function was shown to have a natural interpretation as customer lifetime value
First-class function (2,524 words) [view diff] no match in snippet view article find links to article
special operator function must be used to retrieve the function as a value: (function foo) evaluates to a function object. #'foo exists as a shorthand notation
Dynamic programming (9,283 words) [view diff] exact match in snippet view article find links to article
Ak^{a}-c_{T-j}\geq 0} . Working backwards, it can be shown that the value function at time t = T − j {\displaystyle t=T-j} is V T − j ( k ) = a ∑ i = 0
Status quo bias (5,547 words) [view diff] exact match in snippet view article find links to article
heavily than the potential gains; this is due to the prospect theory value function being steeper in the loss domain. As a result, the individual will prefer
Apollo Guidance Computer (6,909 words) [view diff] exact match in snippet view article find links to article
beginning of the loop, equivalent to an IBM 360's BCT. The absolute value function was deemed important enough to be built into this instruction; when
Narrowing of algebraic value sets (7,870 words) [view diff] exact match in snippet view article find links to article
Name Rule Value function V ( K ) = let ⁡ ( v , l ) ∈ K ∧ C ( l ) in ⁡ v {\displaystyle V(K)=\operatorname {let} (v,l)\in K\land C(l)\operatorname {in}
Rexx (4,310 words) [view diff] case mismatch in snippet view article find links to article
defined variable and does not trigger novalue even if not defined. The VALUE function gets the value of a variable without triggering a novalue condition
Currency substitution (4,700 words) [view diff] exact match in snippet view article find links to article
by a stable currency. At the beginning of this process, the store-of-value function of the domestic currency is replaced by the foreign currency. Then,
Near money (633 words) [view diff] exact match in snippet view article find links to article
Thus near money can be considered as assets that fulfill the store-of-value function (as well as can be expected given the economic conditions) and are readily
Proportional cake-cutting (3,416 words) [view diff] exact match in snippet view article find links to article
are n {\displaystyle n} people. Each person i {\displaystyle i} has a value function V i {\displaystyle V_{i}} . A partition of the cake, X 1 ⊔ ⋯ ⊔ X n =
Uniform continuity (4,170 words) [view diff] exact match in snippet view article find links to article
every Hölder continuous function is uniformly continuous. The absolute value function is uniformly continuous, despite not being differentiable at x = 0 {\displaystyle
Richard H. Stockbridge (979 words) [view diff] case mismatch in snippet view article find links to article
4: 137–153 Helmes, KL; Stockbridge, RH (2010), "Construction of the Value Function and Stopping Rules for Optimal Stopping of One-Dimensional Diffusions"
Rectifier (8,984 words) [view diff] exact match in snippet view article find links to article
negative) at its output. Mathematically, this corresponds to the absolute value function. Full-wave rectification converts both polarities of the input waveform
Auction (13,562 words) [view diff] exact match in snippet view article find links to article
value and lost sales. They established monotonicity properties for the value function and the optimal dynamic bid policy. They also provided a model for the
Midpoint circle algorithm (2,646 words) [view diff] exact match in snippet view article find links to article
x_{i}^{2}+(y_{i}^{2}+2y_{i}+1)-r^{2}\right\vert \\\end{aligned}}} The absolute value function does not help, so square both sides, since a square is always positive:
Machine learning control (995 words) [view diff] exact match in snippet view article find links to article
ADP employs two interacting components: a critic that estimates the value function V ( x ) ≈ J ( x ) {\displaystyle V(x)\approx J(x)} , and an actor that
EasyCard (2,426 words) [view diff] exact match in snippet view article find links to article
Metro. The add-value machines are scheduled to enable EasyCard add-value function in May 2018. The EasyCard is available for all stations of the TRA.
Homogeneous function (4,588 words) [view diff] exact match in snippet view article find links to article
being homogeneous. This is, in particular, the case of the absolute value function and norms, which are all positively homogeneous of degree 1. They are
List of algorithms (7,945 words) [view diff] exact match in snippet view article find links to article
decision trees Reinforcement learning: Q-learning: learns an action-value function that gives the expected utility of taking a given action in a given
Class invariant (1,587 words) [view diff] no match in snippet view article find links to article
Max_Depth and then (for all J in 1 .. Length => Data (J) /= Invalid_Value); function Is_Empty(S : in Stack) return Boolean is (S.Length = 0); function Is_Full(S
Real estate economics (9,085 words) [view diff] exact match in snippet view article find links to article
still exists). The increase of demand from Ro to R1 will shift the value function up (from Vo to V1). As a result, more houses can be produced profitably
Quantum machine learning (10,788 words) [view diff] exact match in snippet view article find links to article
gates instead of features act as players in a coalitional game with a value function that depends on measurements of the quantum circuit of interest. Additionally
Common Lisp (11,969 words) [view diff] no match in snippet view article find links to article
A symbol is a unique, named data object with several parts: name, value, function, property list, and package. Of these, value cell and function cell
Variadic function (3,551 words) [view diff] no match in snippet view article find links to article
can be used as a table by constructing a table with the vararg as a value. function sum(...) --... designates varargs local sum=0 for _,v in pairs({..
Eco-socialism (14,003 words) [view diff] exact match in snippet view article find links to article
cancellation of the debt of the Global South ("breaking the back of the value function" of money) and the redirecting the "vast reservoir of mainly phony value"
Emmanuel Trélat (512 words) [view diff] exact match in snippet view article find links to article
sous-Riemannienne dans le cas Martinet (Asymptotic study and transcendence of the value function in optimal control; category log-exp in sub-Riemannian geometry in the
Sethi model (1,865 words) [view diff] exact match in snippet view article find links to article
discount rate. The function V ( x ) {\displaystyle V(x)} is known as the value function for this problem, and it is shown to be V ( x ) = λ ¯ x + λ ¯ 2 r 2
Comparison of programming languages (object-oriented programming) (1,730 words) [view diff] no match in snippet view article
__get($property) { switch ($property) { case 'Bar' : instructions ... return value; } } function __set($property, $value) { switch ($property) { case 'Bar' : instructions
Matroid intersection (1,822 words) [view diff] exact match in snippet view article find links to article
matroid oracle model. A valuated matroid is a matroid equipped with a value function v on the set of its bases, with the following exchange property: for
Reduce (computer algebra system) (4,066 words) [view diff] exact match in snippet view article
be numerical, is positive. (It effectively implements the absolute value function.) if n < 0 then n := -n The following conditional statement, used as
Differential dynamic programming (2,032 words) [view diff] exact match in snippet view article find links to article
\mathbf {u} _{j})+\ell _{f}(\mathbf {x} _{N}).} The optimal cost-to-go or value function at time i {\displaystyle i} is the cost-to-go given the minimizing control
Harbour (programming language) (2,947 words) [view diff] no match in snippet view article
return value, and if used in an Expression context will produce a NIL value. FUNCTION may return any type by means of the RETURN statement, anywhere in the
GraalVM (2,060 words) [view diff] exact match in snippet view article find links to article
defined in Python from Java: try (Context context = Context.create()) { Value function = context.eval("python", "lambda x: x + 1"); assert function.canExecute();
Wasserstein metric (5,194 words) [view diff] exact match in snippet view article find links to article
(a_{1},a_{2})\in \mathbb {R} ^{2}} . Thus, using the usual absolute value function as the distance function on R {\displaystyle \mathbb {R} } , for any
Discrete Poisson equation (1,963 words) [view diff] exact match in snippet view article find links to article
equation arises in the theory of Markov chains. It appears as the relative value function for the dynamic programming equation in a Markov decision process, and
Joel Kovel (7,512 words) [view diff] exact match in snippet view article find links to article
cancellation of the debt of the Global South ("breaking the back of the value function" of money), and the redirecting the "vast reservoir of mainly phony
Learning classifier system (6,522 words) [view diff] exact match in snippet view article find links to article
generalization capability. Reinforcement learning typically seeks to learn a value function that maps out a complete representation of the state/action space. Similarly
Shapley–Folkman lemma (10,784 words) [view diff] exact match in snippet view article find links to article
example, the quadratic function f(x) = x2 is convex, as is the absolute value function g(x) = |x|. However, the sine function (pictured) is non-convex on the
Median of medians (2,608 words) [view diff] exact match in snippet view article find links to article
length of list / 2 - 1) + nthSmallest(list, length of list / 2)) return value function nthSmallest(list, n) index := select(list, 1, length of list, n) //
Monotonicity (mechanism design) (1,219 words) [view diff] no match in snippet view article
notably when the range of each value-function is R + {\displaystyle \mathbb {R} ^{+}} . When the range of each value-function is R {\displaystyle \mathbb
Edmonds–Pruhs protocol (1,583 words) [view diff] exact match in snippet view article find links to article
First, consider the special case in which all partners have the same value function (and hence the same collection of candidate pieces). In this case the
Gittins index (2,910 words) [view diff] exact match in snippet view article find links to article
w(i)=\inf\{k:v(i,k)=k\}} where v ( i , k ) {\displaystyle v(i,k)} is the value function v ( i , k ) = sup τ > 0 ⟨ ∑ t = 0 τ − 1 β t R [ Z ( t ) ] + β t k ⟩
Utilitarian cake-cutting (2,232 words) [view diff] exact match in snippet view article find links to article
{\displaystyle n} partners. Each partner i {\displaystyle i} has a personal value function V i {\displaystyle V_{i}} which maps subsets of C {\displaystyle C}
Stochastic dynamic programming (5,376 words) [view diff] exact match in snippet view article find links to article
1 if s.wealth - a + a * r >= self.targetWealth else 0 ) # immediate value function self.cache_actions = {} # cache with optimal state/action pairs def
Glossary of artificial intelligence (29,481 words) [view diff] exact match in snippet view article find links to article
methods which learn by bootstrapping from the current estimate of the value function. These methods sample from the environment, like Monte Carlo methods
JOSS (5,826 words) [view diff] no match in snippet view article find links to article
or one could convert true to 1 and false to 0 using the tv (truth value) function. In addition to propositions, JOSS also had the concept of "conditional
Multi-attribute utility (2,979 words) [view diff] exact match in snippet view article find links to article
The PI assumption with n ≥ 3 {\displaystyle n\geq 3} imply that the value function is additive, i.e.: v ( x 1 , … , x n ) = ∑ i = 1 n λ i v i ( x i ) {\displaystyle
Generative anthropology (1,864 words) [view diff] no match in snippet view article find links to article
in the recognition of alienation from the sacred center. The primary value/function of the sign in this scenario is ethical, as the deferral of violence
Goal pursuit (2,985 words) [view diff] exact match in snippet view article find links to article
Prospect theory – specifically, those associated with the S-shaped value function. This values approach to motivation emphasizes the following characteristics:
Fusion adaptive resonance theory (2,181 words) [view diff] exact match in snippet view article find links to article
incorporates Temporal Difference (TD) methods to estimate and learn value function Q(s,a), that indicates the goodness to take a certain action a in a
Fair pie-cutting (1,959 words) [view diff] exact match in snippet view article find links to article
value of 1/2 to the Rotator. The above procedure works only if the value function of the Rotator is additive, so that the equal shares always have the
Strongly proportional division (1,951 words) [view diff] exact match in snippet view article find links to article
additive and non-atomic, and there are at least two partners whose value function is even slightly different, then there is a super-proportional division
Confidence distribution (4,054 words) [view diff] case mismatch in snippet view article find links to article
3-39. doi:10.1111/insr.12000 Fraser, D. A. S. (2019-03-29). "The p-value Function and Statistical Inference". The American Statistician. 73 (sup1): 135–147
X86 instruction listings (14,911 words) [view diff] case mismatch in snippet view article find links to article
Value Function 0 Invalidate TLB entries matching PCID and virtual memory address in descriptor, excluding global entries 1 Invalidate TLB entries matching
List of x86 virtualization instructions (615 words) [view diff] case mismatch in snippet view article find links to article
Value Function 1 Single-context invalidation: invalidate all mappings associated with EPT-pointer in bits 63:0 of descriptor. 2 Global invalidation: invalidate
Goal-based investing (3,295 words) [view diff] exact match in snippet view article find links to article
preferences across the goals-space can be declared, there exists a value function such that A ⪰ B ⟹ v ( A ) ≥ v ( B ) {\textstyle A\succeq B\implies v(A)\geq
Proportional item allocation (1,976 words) [view diff] exact match in snippet view article find links to article
Similarly, for every integer c, PROP*c implies 1-of-(c+n) MMS. MMS when the value function is binary. The opposite implication holds too. An allocation is called
Valerie Belton (1,811 words) [view diff] exact match in snippet view article find links to article
comparison of the analytic hierarchy process and a simple multi-attribute value function". European Journal of Operational Research, 26(1), pp. 7–21. Belton
Slide rule scale (1,750 words) [view diff] exact match in snippet view article find links to article
Gauge marks Symbol value function purpose comment e 2.718 Euler's number exponential functions base of natural logarithms π 3.142 π areas/volumes/circumferences
Truthful cake-cutting (3,353 words) [view diff] exact match in snippet view article find links to article
expected value of each agent is always 1/n regardless of the reported value function. Hence, the mechanism is truthful – no agent can gain anything from
Maximin share (11,200 words) [view diff] exact match in snippet view article find links to article
Similarly, for every integer c, PROP*c implies 1-of-(c+n) MMS. MMS when the value function is binary. The opposite implication holds too. The above implications
Debreu's representation theorems (2,667 words) [view diff] exact match in snippet view article find links to article
components, then the preference relation can be represented by an additive value function. These are the general assumptions: X, the space of all bundles, is
Generalized-strain mesh-free formulation (2,053 words) [view diff] exact match in snippet view article find links to article
\mathbf {x} -\mathbf {x} _{Q}\rVert } which represents the absolute-value function of the distance between a field point x {\displaystyle \mathbf {x} }
Consensus splitting (5,997 words) [view diff] exact match in snippet view article find links to article
expected value of each partner is still 1/n regardless of the reported value function, so the mechanism is still truthful – no partner can gain anything from
Drones in wildfire management (4,519 words) [view diff] no match in snippet view article find links to article
September 2017). "Traffic light control using deep policy-gradient and value-function-based reinforcement learning". IET Intelligent Transport Systems. 11
Adele ring (18,442 words) [view diff] exact match in snippet view article find links to article
concluded that ϕ {\displaystyle \phi } is surjective. Theorem. The absolute value function induces the following isomorphisms of topological groups: I Q ≅ I Q
Implementation of mathematics in set theory (10,960 words) [view diff] exact match in snippet view article find links to article
z\right)\in F\to y=z\right).} It is therefore possible to define the value function F ( x ) {\displaystyle F\!\left(x\right)} as the unique object y {\displaystyle
Datar–Mathews method for real option valuation (10,112 words) [view diff] exact match in snippet view article find links to article
{S}}_{0}-{\tilde {X}}_{0}),0)}}} , where the overline represents an average value function. The Excel logic function for a DM put option is: Put option value =
Nome (mathematics) (13,966 words) [view diff] exact match in snippet view article
exponent position stands for the derivative of the so-called theta zero value function: ϑ 00 ′ ( x ) = d d x ϑ 00 ( x ) = 2 + ∑ n = 1 ∞ 2 ( n + 1 ) 2 x n (
Efficient approximately fair item allocation (5,471 words) [view diff] no match in snippet view article find links to article
set of objects, denoted by M. There are n agents. Each agent i has a value-function Vi, that assigns a value to each subset of objects. The goal is to partition
Consensus based optimization (1,568 words) [view diff] exact match in snippet view article find links to article
d {\displaystyle s=d} and D {\displaystyle D} applies the absolute value function component-wise. Here, every component of the noise vector is scaled
Francisco Javier Carrillo (5,528 words) [view diff] exact match in snippet view article find links to article
subcategories, each of which highlights a distinctive and complementary value function. Each holds a negative (liability) or positive (asset) sign relative
Reinforcement learning from human feedback (8,617 words) [view diff] exact match in snippet view article find links to article
{\pi _{\theta }(y|x)}{\pi _{\text{ref}}(y|x)}}\right)} . Here, the value function v {\displaystyle v} is a non-linear (typically concave) function that
History of microeconomics (9,024 words) [view diff] exact match in snippet view article find links to article
Asymmetric value function in prospect theory: big losses have a much bigger psychological impact than big gains
SQLSTATE (222 words) [view diff] case mismatch in snippet view article find links to article
field overflow 22016 X 22 data exception 016 invalid argument for NTH_VALUE function 22017 X 22 data exception 017 invalid data specified for datalink SQL/MED
Filter and refine (2,042 words) [view diff] exact match in snippet view article find links to article
Filter and Refine Principle (FRP) through the processes of policy and value function estimation. In RL, agents learn to make decisions by exploring the environment
Glossary of logic (30,237 words) [view diff] exact match in snippet view article find links to article
and logic for representing operations like negation or the absolute value function. unary relation A relation that applies to a single element, used to