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Topics referred to by the same term
Cost function In economics, the cost curve, expressing production costs in terms of the amount produced. In mathematical optimization, the loss function
Cost_function
Graph used in economics
In economics, a cost curve is a graph of the costs of production as a function of total quantity produced. In a free market economy, productively efficient
Cost_curve
Cost added by producing one additional unit of a product or service
the cost function C {\displaystyle C} is continuous and differentiable, the marginal cost M C {\displaystyle MC} is the first derivative of the cost function
Marginal_cost
Mathematical relation assigning a probability event to a cost
optimization and decision theory, a loss function or cost function (sometimes also called an error function) is a function that maps an event or values of one
Loss_function
Economic formula of productivity
econometrics, the Cobb–Douglas production function is a particular functional form of the production function, widely used to represent the relationship
Cobb–Douglas production function
Cobb–Douglas_production_function
Study of mathematical algorithms for optimization problems
solutions. The function f is variously called an objective function, criterion function, loss function, cost function (minimization), utility function or fitness
Mathematical_optimization
Study of optimal transportation and allocation of resources
R 2 {\displaystyle \mathbb {R} ^{2}} . Suppose also that we have a cost function c : R 2 × R 2 → [ 0 , ∞ ) {\displaystyle c:\mathbb {R} ^{2}\times \mathbb
Transportation theory (mathematics)
Transportation_theory_(mathematics)
Cost function in economics
economics, a cost function represents the minimum cost of producing a quantity of some good. The long-run cost curve is a cost function that models this
Long-run_cost_curve
Distribution estimation technique
Size (ESS). Variance is not the only possible cost function for a simulation, and other cost functions, such as the mean absolute deviation, are used
Importance_sampling
Concept in economics
mathematical concept of subadditivity; specifically, subadditivity of the cost function. Baumol also noted that for a firm producing a single product, scale
Natural_monopoly
Production scheduling model
production cost) The single-item EOQ formula finds the minimum point of the following cost function: Total Cost = purchase cost or production cost + ordering
Economic_order_quantity
Economic price index
developed to approximate the cost of living index. A Konüs index is a type of cost-of-living index that uses an expenditure function such as one used in assessing
Cost-of-living_index
generalized-Ozaki (GO) cost function is a general description of the cost of production proposed by Shinichiro Nakamura. The GO cost function is notable for explicitly
Generalized Ozaki cost function
Generalized_Ozaki_cost_function
Optimization algorithm for artificial neural networks
1 , 0 ) {\displaystyle (0,1,0)} ). C {\displaystyle C} : loss function or "cost function" For classification, this is usually cross-entropy (XC, log loss)
Backpropagation
Inventory theory process
order cost per replenishment c {\displaystyle c} = unit production cost h {\displaystyle h} = annual unit holding cost k {\displaystyle k} = cost per stockout
(Q,r)_model
Algorithm used for pathfinding and graph traversal
on the path, g(n) is the cost of the path from the start node to n, and h(n) is a heuristic function that estimates the cost of the cheapest path from
A*_search_algorithm
Necessary condition for optimality associated with dynamic programming
minimizing cost, maximizing profits, maximizing utility, etc. The mathematical function that describes this objective is called the objective function. Dynamic
Bellman_equation
Money spent to produce or procure goods or services
motivation. Average cost Cost accounting Cost curve Cost object Direct cost Fixed cost Incremental cost Indirect cost Life-cycle cost Non-monetary economy
Cost
Advanced method of process control
dynamic model of the process a cost function J over the receding horizon an optimization algorithm minimizing the cost function J using the control input u
Model_predictive_control
Linear optimal control technique
minimum cost. The case where the system dynamics are described by a set of linear differential equations and the cost is described by a quadratic function is
Linear–quadratic_regulator
System that regulates the formation of blocks on a blockchain
provider. This idea is also known as a CPU cost function, client puzzle, computational puzzle, or CPU pricing function. Another common feature is built-in
Proof_of_work
Model in inventory management
{\displaystyle {\frac {1}{2}}hD(1-x)t} Average ordering and holding cost as a function of time: x ( t ) = 1 2 h D ( 1 − x ) t + K t {\displaystyle x(t)={\frac
Economic_production_quantity
Optimizing objective functions that have constrained variables
objective function with respect to some variables in the presence of constraints on those variables. The objective function is either a cost function or energy
Constrained_optimization
{\displaystyle z} is the inverse distribution function of a standard normal distribution. The total cost is given by the sum of holdings costs and backorders
Base_stock_model
Lemma
states that if indifference curves of the expenditure or cost function are convex, then the cost-minimizing point of a given good ( i {\displaystyle i}
Shephard's_lemma
Distance function defined between probability distributions
Assume also that there is given some cost function c ( x , y ) ≥ 0 {\displaystyle c(x,y)\geq 0} that gives the cost of transporting a unit mass from the
Wasserstein_metric
Combination of losses of goods
e. AFC = TFC/q. The average fixed cost function continuously declines as production increases. Average variable cost (A.V.C) = variable costs divided by
Economic_cost
Mathematical way of attaining a desired output from a dynamic system
car, speed limits, etc. A proper cost function will be a mathematical expression giving the traveling time as a function of the speed, geometrical considerations
Optimal_control
Statistical algorithm
{\displaystyle {\hat {\mathbf {h} }}(n)} which minimize a cost function. We start by defining the cost function as C ( n ) = E { | e ( n ) | 2 } {\displaystyle
Least_mean_squares_filter
Quantum Mechanics in Neural Networks
actual output, the cost function is optimized when C ( w , b ) {\displaystyle C(w,b)} = 0. For a quantum neural network, the cost function is determined by
Quantum_neural_network
Set of related ordination techniques used in information visualization
using a procedure called stress majorization. Metric MDS minimizes the cost function called “stress” which is a residual sum of squares: Stress D ( x 1
Multidimensional_scaling
Mathematical optimization method
results for non-convex functions. For convergence to critical points: For example, if the cost function is a real analytic function, then it is shown in
Backtracking_line_search
Algorithms for matrix decomposition
regularization (akin to Lasso) is added to NMF with the mean squared error cost function, the resulting problem may be called non-negative sparse coding due
Non-negative matrix factorization
Non-negative_matrix_factorization
Combinatorial optimization problem
w.r.t. above cost function. QUBO is very closely related and computationally equivalent to the Ising model, whose Hamiltonian function is defined as
Quadratic unconstrained binary optimization
Quadratic_unconstrained_binary_optimization
System used in computer graphics applications
minimum cost function If the minimum cost function occurs at origin, stop the search and set motion vector to (0,0) If the minimum cost function occurs
Block-matching_algorithm
Adaptive filter algorithm for digital signal processing
finds the coefficients that minimize a weighted linear least squares cost function relating to the input signals. This approach is in contrast to other
Recursive least squares filter
Recursive_least_squares_filter
Statistical modeling method
squares cost function as in ridge regression (L2-norm penalty) and lasso (L1-norm penalty). Use of the Mean Squared Error (MSE) as the cost on a dataset
Linear_regression
Objective function of evolutionary algorithm
A fitness function is a particular type of objective or cost function that is used to summarize, as a single figure of merit, how close a given candidate
Fitness_function
Method in computer modeling
interpolation (OI). An alternative approach is to iteratively solve a cost function that solves an identical problem. These are called "variational methods"
Data_assimilation
Design concept in economics
marginal cost - the more is produced, the harder it becomes to produce more units (i.e., the cost is a convex function of the demand). An example cost-function
Cost-sharing_mechanism
Computational model used in machine learning
long as the value of the loss function (its cost) continues to decline, the network is continuing to improve. The function typically produces a statistic
Neural network (machine learning)
Neural_network_(machine_learning)
Class of games in game theory
is a delay function d e : N ⟶ R {\displaystyle d_{e}:\mathbb {N} \longrightarrow \mathbb {R} } (also called latency function or cost function). Given a
Congestion_game
local search algorithm. For each feature f i {\displaystyle f_{i}} a cost function c i {\displaystyle c_{i}} is defined. Each feature is also associated
Guided_local_search
Total economic cost of production
Marketing Project. Fuss, M. A. (2010) [1987 (print)]. "Production and Cost Functions". In Eatwell, John; Milgate, Murray; Newman, Peter (eds.). The New Palgrave
Total_cost
Set of methods for supervised statistical learning
described above) depends only on a subset of the training data, because the cost function for building the model does not care about training points that lie
Support_vector_machine
Mathematical function in economics
revenue equals marginal cost (MC). To derive MC the first derivative of the total cost function is taken. For example, assume cost, C, equals 420 + 60Q +
Inverse_demand_function
System with self-optimizing transfer function
determines how to modify filter transfer function to minimize the cost on the next iteration. The most common cost function is the mean square of the error signal
Adaptive_filter
Facial recognition system
128-dimensional Euclidean space. The system uses the triplet loss function as its cost function and introduced a new online triplet mining method. The system
FaceNet
Combinatorial optimization problem
the cost function is written down as: ∑ a ∈ A C a , f ( a ) {\displaystyle \sum _{a\in A}C_{a,f(a)}} The problem is "linear" because the cost function to
Assignment_problem
Collective decision-making procedure
various issues. The number of votes to add is determined by a quadratic cost function, which means that the number of votes a person casts for a given issue
Quadratic_voting
Boosting algorithm
considers AdaBoost as a generalized additive model and then applies the cost function of logistic regression, one can derive the LogitBoost algorithm. LogitBoost
LogitBoost
Problem optimization method
0 ≤ t ≤ t 1 {\displaystyle t_{0}\leq t\leq t_{1}} that minimizes a cost function J = b ( x ( t 1 ) , t 1 ) + ∫ t 0 t 1 f ( x ( t ) , u ( t ) , t ) d
Dynamic_programming
Property of a computational problem
subset has its own cost function. The minima of each of these cost functions can be found, as can the minima of the global cost function, restricted to the
Optimal_substructure
Procedures to optimize practices in cost efficient ways
and plan for the future. Cost accounting information is also commonly used in financial accounting, but its primary function is for use by managers to
Cost_accounting
Technique in numerical linear algebra
lower rank. More precisely, it is a minimization problem, in which the cost function measures the fit between a given matrix (the data) and an approximating
Low-rank_approximation
Quantum algorithm
to other optimization problems by adapting the Hamiltonian to be a cost function. The choice of ansatz state depends on the system of interest. In gate-based
Variational quantum eigensolver
Variational_quantum_eigensolver
Process of reducing the number of random variables under consideration
ambient space, and construct a low-dimensional representation using a cost function that retains local properties of the data; they can be viewed as defining
Dimensionality_reduction
Procedure for scheduling data packets in a packet switched best-effort network
simultaneously. The cost function would correspond to the number of blocked nearby base station sites. If there are large differences between the "cost" of each
Maximum_throughput_scheduling
Then we hypothesize that the actual muscle forces minimize a given cost function, Φ ( F M T ) {\displaystyle \Phi ({\textbf {F}}_{MT})} , subject to
Inverse dynamics-based static optimization
Inverse_dynamics-based_static_optimization
Process of finding a spatial transformation that aligns two point clouds
{S}}}K(x,s)} The cost function can then be shown to be the correlation of the two kernel density estimates: Having established the cost function, the algorithm
Point-set_registration
Set of constraints conceptualised as a border
marginal cost function is the slope of the total cost function. Thus, given a continuous and differentiable cost function, the marginal cost function is the
Margin_(economics)
Linear optimal control technique
}(T)F{\mathbf {x} }(T)} of the cost function becomes negligible and irrelevant to the problem. Also to keep the costs finite the cost function has to be taken to
Linear–quadratic–Gaussian control
Linear–quadratic–Gaussian_control
Projection of data onto lower-dimensional manifolds
low-dimensional manifold in the high-dimensional space. Minimization of a cost function based on the graph ensures that points close to each other on the manifold
Nonlinear dimensionality reduction
Nonlinear_dimensionality_reduction
Part of an activity that causes the change in its cost
Porter's approach defines a "cost driver" not just as a simple variable in a function, but as something that changes the function itself. For example, the
Cost_driver
Hypothesis in neuroscience
equations. In contrast, optimal control optimises the flow, given a cost function, under the assumption that W = 0 {\displaystyle W=0} (i.e., the flow
Free_energy_principle
Combinatorial optimization problem
statement resembles that of the assignment problem, except that the cost function is expressed in terms of quadratic inequalities, hence the name. The
Quadratic_assignment_problem
Mathematical model to assist inventory levels
cumulative distribution function of D {\displaystyle D} . Intuitively, this ratio, referred to as the critical fractile, balances the cost of being understocked
Newsvendor_model
feasible navigation function, in many cases it is desirable to have an optimal navigation function with respect to a given cost functional J {\displaystyle
Navigation_function
Concept in probability theory
distance (or half the norm) arises as the optimal transportation cost, when the cost function is c ( x , y ) = 1 x ≠ y {\displaystyle c(x,y)={\mathbf {1} }_{x\neq
Total variation distance of probability measures
Total_variation_distance_of_probability_measures
Method to solve optimization problems
is defined by a linear inequality. Its objective function is a real-valued affine (linear) function defined on this polytope. A linear programming algorithm
Linear_programming
Condition of an optimization problem which the solution must satisfy
example, the first line defines the function to be minimized (called the objective function, loss function, or cost function). The second and third lines define
Constraint_(mathematics)
Line-breaking algorithm used in the TeX typesetting package
as the algorithm designed by Plass in his PhD thesis. Typically, the cost function for this technique should be modified so that it does not count the
Knuth–Plass line-breaking algorithm
Knuth–Plass_line-breaking_algorithm
Algorithm in computational quantum physics
optimization. Different cost functions and different strategies were used to optimize a many-body trial-function. Usually three cost functions were used in QMC
Variational_Monte_Carlo
Mathematical transformation
function of price, profit max ( P ) {\displaystyle {\text{profit}}_{\text{max}}(P)} , we see that it is the Legendre transform of the cost function C
Legendre_transformation
Tool for analyzing potential welfare costs and benefits of mergers between firms
a function of quantity. Which is necessary for application of Cournot theory. Each firm's residual demand curve intersects above its marginal cost curve
Merger_simulation
traveller, increasing the journey time for all travellers. The generalised cost function can be expanded to reflect this congestion delay. g = p + u ( w ) +
Generalised_cost
Machine learning technique
algorithms. That is, algorithms that optimize a cost function over function space by iteratively choosing a function (weak hypothesis) that points in the negative
Gradient_boosting
minimal-cost solution (according to a cost function) among multiple possible solutions. A Weighted Constraint Network (WCN), aka Cost Function Network
Weighted constraint satisfaction problem
Weighted_constraint_satisfaction_problem
Type of set in mathematics
the cost for x goes to 0 as x increases. For instance, the standard cost function has this property. The construction essentially waits until the cost is
K-trivial_set
Cost Function (because of the duality between cost and production functions, a specific technology can be represented equally well by either the cost
List_of_production_functions
Program function without side effects
In computer programming, a pure function is a function that has the following properties: the function return values are identical for identical arguments
Pure_function
Signal processing computational method
calculating the w {\displaystyle {\boldsymbol {w}}} vectors and setting up a cost function which either maximizes the non-gaussianity of the calculated s k = w
Independent component analysis
Independent_component_analysis
Frequency change of a wave for observer relative to its source
Star for Real-Time Dynamic Motion Planning Accounting for Momentum in Cost Function". Neural Information Processing. Lecture Notes in Computer Science.
Doppler_effect
Order-preserving mathematical function
In mathematics, a monotonic function (or monotone function) is a function between ordered sets that preserves or reverses the given order. This concept
Monotonic_function
Graph data structure
joins and is worst-case optimal. Given an e-class and a cost function that maps each function symbol in Σ {\displaystyle \Sigma } to a natural number
E-graph
Iterative simulation method
eventually be discovered. Formally, let f: ℝn → ℝ be the cost function which must be minimized. The function takes a candidate solution as an argument in the
Particle_swarm_optimization
Halting output when costs are excessive
the average variable cost curve. Assume that a firm's total cost function is TC = Q3 -5Q2 +60Q +125. Then its variable cost function is Q3 –5Q2 +60Q, and
Shutdown_(economics)
Function that maps an observation to an action
this case the set of actions is the parameter space, and a loss function details the cost of the discrepancy between the true value of the parameter and
Decision_rule
Maximized objective function of an optimization problem
referred to as "cost-to-go function." In an economic context, where the objective function usually represents utility, the value function is conceptually
Value_function
Unit of measurement
product) provides to a user. Function points are used to compute a functional size measurement (FSM) of software. The cost (in dollars or hours) of a single
Function_point
Black-box optimization algorithm
unknown cost function and attempts to find an optimum of the underlying function. The DONE algorithm is suitable for optimizing costly and noisy functions and
DONE
Method for finding stationary points of a function
Newton–Raphson) is an iterative method for finding the roots of a differentiable function f {\displaystyle f} , which are solutions to the equation f ( x ) = 0 {\displaystyle
Newton's method in optimization
Newton's_method_in_optimization
resulting controller is only optimal with respect to the prescribed cost function and does not necessarily represent the best controller in terms of the
H-infinity methods in control theory
H-infinity_methods_in_control_theory
Pattern of motion in a visual scene due to relative motion of the observer
flow as an optimization problem, where the goal is to minimize the cost function of the form, E = ∬ Ω Ψ ( I ( x + u , y + v , t + 1 ) − I ( x , y , t
Optical_flow
Optimization problem
also that there is some cost function C : X → [ 0 , + ∞ ] {\displaystyle C:{\mathcal {X}}\to [0,+\infty ]} . The cost function may be interpreted as a
Job-shop_scheduling
American economist
microeconomics: if the cost function of a firm is linear, then the total variable cost is proportional to the production volume and the marginal cost is constant
Joel_Dean_(economist)
Ratio in Mathematical Optimization
gap is bounded in several cases. For example, when the cost function is a submodular set function (as in the above example), the correlation gap is at most
Correlation_gap
Management accounting term
business units or other cost centres, for example a personnel department, the logistics function, or a canteen. The main function of a cost centre is the tracing
Cost_centre
Computer vision algorithm
term that penalises jumps in disparity between adjacent pixels, with a cost function in the form E ( d ) = ∑ p D ( p , d p ) + ∑ p , q ∈ N R ( p , d p ,
Semi-global_matching
Partitioning a digital image into segments
potential of a cost function, where its definition reflects the task to be addressed. As for most inverse problems, the minimization of the cost functional
Image_segmentation
COST FUNCTION
COST FUNCTION
Surname or Lastname
English
English : unexplained.
Male
Swiss
, sportive.
Boy/Male
English American
From the dark town. : Unknown owner of property.
Boy/Male
Indian
Friend
Male
Dutch
, able council.
Boy/Male
Hebrew Spanish
May Jehovah add/give increase.
Boy/Male
English Greek
Steady; stable.
Boy/Male
American, Australian, British, Danish, English, French, German, Norse, Swedish, Teutonic
Courtier; Court Attendant; Bold; Courageous Advice
Boy/Male
Australian, Greek, Latin
Steady; Steadfast; Constant; Diminutive of Constantine
Boy/Male
American, Australian, British, Chinese, Christian, English
Young Horse; Frisky; From the Dark Town; Diminutive of Colston; Unknown Owner of Property; Renowned Mariner; Colt
Surname or Lastname
English
English : from Middle English colt ‘young ass’, later also ‘young horse’, ‘colt’, hence a metonymic occupational name for someone who looked after asses and horses, or a nickname for an obstinate or frisky person, from the same word. In northern England colt was a generic term for working horses and asses.
Boy/Male
Norse Teutonic English French German
Short.
Boy/Male
Arabic, Muslim, Parsi
Friend; Sweetheart
Surname or Lastname
Americanized spelling of German Kast.English (Essex, Kent)
Americanized spelling of German Kast.English (Essex, Kent) : possibly a nickname from Norman caste ‘chaste’, ‘virtuous’ (from Old French chaste).Possibly an altered spelling of French Caste, cognate with 2.
Surname or Lastname
English
English : from the Old English personal name Cotta.Possibly an altered spelling of French Cotte, a metonymic occupational name for a maker of chain mail, from Old French cot(t)e ‘coat of mail’, ‘surcoat’. It may perhaps have been used as a nickname for a hard and unfeeling person, but is unlikely to have been a nickname for a wearer of a coat of mail, since only the richest classes, who already had distinguished family names of their own, could afford such protection. A later meaning of cotte is a long-sleeved garment, worn by both men and women.Alternatively, possibly an altered spelling of French Cot, from a reduced form of Jacot or Nicot, pet forms of Jacques and Nicolas (see Nicholas).Respelling of German Koth or the variant Kott.
Boy/Male
Muslim
Friend
Surname or Lastname
English
English : occupational name for an innkeeper, from Middle English, Old French (h)oste ‘host’, ‘guest’.Danish (Høst) : nickname from høst ‘harvest’, ‘autumn’ (see Herbst).French : from Old French ost ‘army’, hence an occupational name for a soldier.Dutch : from the Germanic personal name Austa, meaning ‘east’.German : habitational name from either of two places called Host, near Koblenz and near Bitburg.
Girl/Female
Anglo Saxon
Best.
Boy/Male
Australian, Danish, German, Hebrew, Latin, Swedish
May Jehovah Give Increase; Experienced in Battle
Surname or Lastname
English
English : from Old French coit ‘flat stone’, probably a nickname for a skilled quoits player.
COST FUNCTION
COST FUNCTION
Boy/Male
Muslim
Powerful, Strong, Ornamentation, Decoration
Girl/Female
Indian
Utmost point, Degree
Girl/Female
Arabic, Muslim
Gift from Allah
Boy/Male
Indian
Intelligent, Beautiful
Biblical
making an uproar; a multitude
Boy/Male
Muslim/Islamic
Servant of the Most Gracious
Surname or Lastname
English (Dorset)
English (Dorset) : variant of Swire.
Girl/Female
Australian, Greek
Ice
Girl/Female
American, Australian, British, English
Near the Water; Island of Linden Trees; From the Linden Tree Island
Girl/Female
Hindu, Indian
Lightning; Sunshine; One who Follows the Sun or Light
COST FUNCTION
COST FUNCTION
COST FUNCTION
COST FUNCTION
COST FUNCTION
v. t.
To attach to a post, a wall, or other usual place of affixing public notices; to placard; as, to post a notice; to post playbills.
n.
A station, office, or position of service, trust, or emolument; as, the post of duty; the post of danger.
v. t.
To conduct along a coast or river bank.
n.
A coat card. See below.
v. t.
To require to be given, expended, or laid out therefor, as in barter, purchase, acquisition, etc.; to cause the cost, expenditure, relinquishment, or loss of; as, the ticket cost a dollar; the effort cost his life.
adv.
With post horses; hence, in haste; as, to travel post.
imp. & p. p.
of Cost
v. t.
Parted with; no longer held or possessed; as, a lost limb; lost honor.
n.
A rib; a side; a region or coast.
v. t.
Hardened beyond sensibility or recovery; alienated; insensible; as, lost to shame; lost to all sense of honor.
v. t.
Ruined or destroyed, either physically or morally; past help or hope; as, a ship lost at sea; a woman lost to virtue; a lost soul.
n.
Same as Coat of arms. See below.
v. t.
Not perceptible to the senses; no longer visible; as, an island lost in a fog; a person lost in a crowd.
imp. & p. p.
of Cast
v. t.
To cover with a coat or outer garment.
v. t.
To cover with a layer of any substance; as, to coat a jar with tin foil; to coat a ceiling.
n.
See Cyst.
v. t.
Not employed or enjoyed; thrown away; employed ineffectually; wasted; squandered; as, a lost day; a lost opportunity or benefit.
v. t.
To place in the care of the post; to mail; as, to post a letter.