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Conversion of continuous functions into discrete counterparts
discretization error. The goal is to reduce the amount to a level considered negligible for the modeling purposes at hand. The terms discretization and
Discretization
Topics referred to by the same term
discrete in Wiktionary, the free dictionary. Discrete may refer to: Discrete particle or quantum in physics, for example in quantum theory Discrete device
Discrete
Quantization error in numerical analysis
lattice. Discretization error can usually be reduced by using a more finely spaced lattice, with an increased computational cost. Discretization error is
Discretization_error
Study of discrete mathematical structures
use recurrence relation. Discretization concerns the process of transferring continuous models and equations into discrete counterparts, often for the
Discrete_mathematics
machine learning, discretization refers to the process of converting or partitioning continuous attributes, features or variables to discretized or nominal
Discretization of continuous features
Discretization_of_continuous_features
Mathematical technique
(CAE) simulations, which require discretizing the governing equations in both space and time. Temporal discretization involves the integration of every
Temporal_discretization
Numerical method for solving physical or engineering problems
Examples of discretization strategies are the h-version, p-version, hp-version, x-FEM, isogeometric analysis, etc. Each discretization strategy has certain
Finite_element_method
Area of mathematics
appropriate discretization suited to your purpose (the so-called "game" of DDG). Integrable discretization is a systematic discretization based on integrable
Discrete differential geometry
Discrete_differential_geometry
Branch of mathematical optimization
the variables used in a discrete optimization problem are restricted to be discrete variables—that is, to assume only a discrete set of values, such as
Discrete_optimization
System with a countable number of states
In theoretical computer science, a discrete system is a system with a countable number of states. Discrete systems may be contrasted with continuous systems
Discrete_system
Frameworks for modeling variables that evolve over time
portion of it. Aliasing Bernoulli process Digital data Discrete calculus Discrete system Discretization Normalized frequency Nyquist–Shannon sampling theorem
Discrete time and continuous time
Discrete_time_and_continuous_time
Discretization of the Navier–Stokes equations of fluid dynamics is a reformulation of the equations in such a way that they can be applied to computational
Discretization of Navier–Stokes equations
Discretization_of_Navier–Stokes_equations
102002 Discrete Calculus, Grady, Leo J., Polimeni, Jonathan R., 2010 Hirani Thesis on Discrete Exterior Calculus A Primal-to-Primal Discretization of Exterior
Discrete_exterior_calculus
Problem of inverting exponentiation in groups
number x {\displaystyle x} such that b x = a {\displaystyle b^{x}=a} . The discrete logarithm generalizes this concept to a cyclic group. A simple example
Discrete_logarithm
Types of numerical variables in mathematics
Discrete modelling Discrete series representation Discrete space Discrete spectrum Discrete time and continuous time Discretization Interpolation Principal
Continuous or discrete variable
Continuous_or_discrete_variable
Choice between two or more discrete alternatives
In economics, discrete choice models, or qualitative choice models, describe, explain, and predict choices between two or more discrete alternatives,
Discrete_choice
Discrete (i.e., incremental) version of infinitesimal calculus
Discrete calculus is used for modeling either directly or indirectly as a discretization of infinitesimal calculus in every branch of the physical sciences,
Discrete_calculus
Function in discrete mathematics
the function means discretizing its frequency spectrum and discretization means periodic summation of the spectrum, the discretized and periodically summed
Discrete_Fourier_transform
Discrete device in an electronic system
An electronic component is any basic discrete electronic device or physical entity part of an electronic system used to affect electrons or their associated
Electronic_component
Programmable machine that processes data
CSIRAC, EDVAC, UNIVAC I, IBM 701, IBM 702, IBM 650, Z22 Third generation (discrete transistors and SSI, MSI, LSI integrated circuits) Mainframes IBM 7090
Computer
Series in digital signal processing
function of the discrete variable, i.e. a discrete sequence. A Fourier series, by nature, has a discrete set of components with a discrete set of coefficients
Discrete_Fourier_series
Discrete modelling is the discrete analogue of continuous modelling. In discrete modelling, formulae are fit to discrete data—data that could potentially
Discrete_modelling
mathematics, a sequence of discrete orthogonal polynomials is a sequence of polynomials that are pairwise orthogonal with respect to a discrete measure. Examples
Discrete orthogonal polynomials
Discrete_orthogonal_polynomials
Speed of convergence of a mathematical sequence
In practical applications, when one discretization method gives a desired accuracy with a larger discretization scale parameter than another it will
Rate_of_convergence
Branch of geometry that studies combinatorial properties and constructive methods
Discrete geometry and combinatorial geometry are branches of geometry that study combinatorial properties and constructive methods of discrete geometric
Discrete_geometry
Discrete analog of a derivative
This is often a problem because it amounts to changing the interval of discretization. The problem may be remedied substituting the average of δ n [ f ] (
Finite_difference
Mythological son of Odysseus
Telemachus (/təˈlɛməkəs/ tə-LEM-ə-kəs; Ancient Greek: Τηλέμαχος, romanized: Tēlemakhos, lit. 'far-fighter') is the son of Odysseus and Penelope in Greek
Telemachus
Type of topological space
In topology, a discrete space is a particularly simple example of a topological space or similar structure, one in which the points form a discontinuous
Discrete_space
Type of simulation
A discrete-event simulation (DES) models the operation of a system as a (discrete) sequence of events in time. Each event occurs at a particular instant
Discrete-event_simulation
Category whose only morphisms are the identity morphisms
In mathematics, in the field of category theory, a discrete category is a category whose only morphisms are the identity morphisms: homC(X, X) = {idX}
Discrete_category
Technique used in signal processing and data compression
A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies
Discrete_cosine_transform
Electrical circuit with active components
can be moved from one place to another. Circuits can be constructed of discrete components connected by individual pieces of wire, but today it is much
Electronic_circuit
Annual ACM-SIAM Symposium on Discrete Algorithms (SODA) is an academic conference in the fields of algorithm design and discrete mathematics. It is considered
Symposium on Discrete Algorithms
Symposium_on_Discrete_Algorithms
Fourier analysis technique applied to sequences
mathematics, the discrete-time Fourier transform (DTFT) is a form of Fourier analysis that is applicable to a sequence of discrete values. The DTFT is
Discrete-time Fourier transform
Discrete-time_Fourier_transform
Finite difference equation
discretize the 2-dimensional Poisson equation (assuming a uniform spatial discretization, Δ x = Δ y {\displaystyle \Delta x=\Delta y} ) on an m × n grid gives
Discrete_Poisson_equation
Symmetry describing non-continuous changes in a system
geometry, a discrete symmetry is a symmetry that describes non-continuous changes in a system. For example, a square possesses discrete rotational symmetry
Discrete_symmetry
Type of group representation for locally compact groups
In mathematics, a discrete series representation is an irreducible unitary representation of a locally compact topological group G that is a subrepresentation
Discrete series representation
Discrete_series_representation
Probability distribution on equally likely outcomes
In probability theory and statistics, the discrete uniform distribution is a symmetric probability distribution wherein each of some finite whole number
Discrete_uniform_distribution
Theory in psychology
Discrete emotion theory is the claim that there is a small number of core emotions. For example, Silvan Tomkins (1962, 1963) concluded that there are nine
Discrete_emotion_theory
Branch of mathematics
Continuous time Fourier series (CTFS) Discrete time Fourier transform (DTFT) Discrete time Fourier series (DTFS) Discrete Fourier transform (DFT) The choice
Fourier_analysis
In control engineering, a discrete-event dynamic system (DEDS) is a discrete-state, event-driven system of which the state evolution depends entirely on
Discrete-event_dynamic_system
Minimum amount of a physical entity involved in an interaction
can exist only in certain discrete values. Atoms and matter in general are stable because electrons can exist only at discrete energy levels within an atom
Quantum
Mathematical transform on discrete signals
processing, discrete transforms (or discrete integral transform) are mathematical transforms, often linear transforms, of signals between discrete domains
Discrete_transform
Numerical method for differential equations
Exponential Euler discretization. For a time discretization ( t ) h , {\displaystyle (t)_{h},} a high-order local linear (HOLL) discretization of the ODE (4
Local_linearization_method
Integral expressing the amount of overlap of one function as it is shifted over another
similar to cross-correlation: for real-valued functions, of a continuous or discrete variable, convolution f ∗ g {\displaystyle f*g} differs from cross-correlation
Convolution
Reconstruction of binary images from a small number of their projections
Discrete tomography focuses on the problem of reconstruction of binary images (or finite subsets of the integer lattice) from a small number of their projections
Discrete_tomography
Industrial activity producing goods for sale using labor and machines
noted year according to World Bank: Business portal Manufacturing portal Discrete manufacturing Outline of manufacturing Process manufacturing 3D printing
Manufacturing
Fourier-related mathematical transform
A discrete Hartley transform (DHT) is a Fourier-related transform of discrete, periodic data similar to the discrete Fourier transform (DFT), with analogous
Discrete_Hartley_transform
Simple polynomial map exhibiting chaotic behavior
number of individuals K . The logistic map can also be derived from the discretization of the logistic equation for continuous-time population models. The
Logistic_map
analysis, discrete spline interpolation is a form of interpolation where the interpolant is a special type of piecewise polynomial called a discrete spline
Discrete_spline_interpolation
called a discrete measure (in respect to the Lebesgue measure) if it is concentrated on an at most countable set. The support need not be a discrete set.
Discrete_measure
Method in Itô calculus
respectively, and W t {\displaystyle W_{t}} is the Wiener process. As discrete approximations of continuous processes are typically assessed through comparison
Euler–Maruyama_method
Equation that describes density changes of a material that is diffusing in a medium
anisotropic tensor diffusion equation, in standard discretization schemes, because direct discretization of the diffusion equation with only first order
Diffusion_equation
Set of isolated points in the spectrum of an operator with finite-rank Riesz projectors
In mathematics, specifically in spectral theory, a discrete spectrum of a closed linear operator is defined as the set of isolated points of its spectrum
Discrete spectrum (mathematics)
Discrete_spectrum_(mathematics)
Discrete-variable probability distribution
possible x {\displaystyle x} . Discretization is the process of converting a continuous random variable into a discrete one. There are three major distributions
Probability_mass_function
American multinational technology company
applications. As of the first quarter of 2025, Nvidia held a 92% share of the discrete desktop and laptop GPU market. In the early 2000s, the company invested
Nvidia
Algorithm that estimates unknowns from a series of measurements over time
G.J. (1977). "Factorization Methods for Discrete Sequential Estimation". Factorization Methods for Discrete Sequential Estimation. Bibcode:1977fmds.book
Kalman_filter
Mathematical model of the time dependence of a point in space
predict certain variables, like in the case of the discretization of Navier–Stokes equations. Discrete dynamical systems are often also called cascades
Dynamical_system
Mathematical term
Saddle point problems arise in the discretization of Stokes flow and in the mixed finite element discretization of Poisson's equation. For positive-definite
Ladyzhenskaya–Babuška–Brezzi condition
Ladyzhenskaya–Babuška–Brezzi_condition
Mathematical function for the probability a given outcome occurs in an experiment
numbers), it is common to distinguish between discrete and continuous random variables. In the discrete case, it is sufficient to specify a probability
Probability_distribution
Type of topological group
discrete group is discrete. every quotient of a discrete group is discrete. the product of a finite number of discrete groups is discrete. a discrete
Discrete_group
Partition into two separate parts
multicategorical variables as binary variables is called dichotomization. The discretization error inherent in dichotomization is temporarily ignored for modeling
Dichotomy
Analog of the continuous Laplace operator
f {\displaystyle f} . In particular any discrete image, with reasonable presumptions on the discretization process, e.g. assuming band limited functions
Discrete_Laplace_operator
Point of a subset S around which there are no other points of S
up only of isolated points is called a discrete set or discrete point set (see also discrete space). Any discrete subset S of Euclidean space must be countable
Isolated_point
Standard testing domain in Reinforced learning
categories, state space discretization or function approximation. In this approach, two continuous state variables are pushed into discrete states by bucketing
Mountain_car_problem
Topics referred to by the same term
continuous or otherwise large set of values (such as the real numbers) to a discrete set (such as the integers). The term quantization may refer to: Quantization
Quantization
Academic journal
Discrete Analysis is a mathematics journal covering the applications of analysis to discrete structures. Discrete Analysis is an arXiv overlay journal
Discrete_Analysis
Mathematical operation in signal processing
In signal processing, multidimensional discrete convolution refers to the mathematical operation between two functions f and g on an n-dimensional lattice
Multidimensional discrete convolution
Multidimensional_discrete_convolution
Film and video terminology
A crossover is the placement of two or more otherwise discrete fictional characters, settings, or universes into the context of a single story. They can
Crossover_(fiction)
Symmetry-based invariance to continuous group action
opposed to discrete symmetry, e.g. reflection symmetry, which is invariant under a kind of flip from one state to another. However, a discrete symmetry
Continuous_symmetry
Concept in abstract algebra
In abstract algebra, a discrete valuation ring (DVR) is a principal ideal domain (PID) with exactly one non-zero maximal ideal. This means a DVR is an
Discrete_valuation_ring
Signal representation
frequency domain. A discrete frequency domain is a frequency domain that is discrete rather than continuous. For example, the discrete Fourier transform
Frequency_domain
Structure that repeats in time; a novel type or phase of non-equilibrium matter
continuous translational symmetry in space is broken and replaced by the lower discrete symmetry of the periodic crystal. As the laws of physics are symmetrical
Time_crystal
Description of rail transport modernisation
transport began before the common era. It can be divided into several discrete periods, defined by the principal track material and power used. The Post
History_of_rail_transport
Machine learning framework
networks is discretization invariance and discretization convergence. Unlike conventional neural networks, which are fixed on the discretization of training
Neural_operators
Method of encoding digital data on multiple carrier frequencies
more robust modulation or error coding to those subcarriers. The term discrete multitone modulation (DMT) denotes OFDM-based communication systems that
Orthogonal frequency-division multiplexing
Orthogonal_frequency-division_multiplexing
Central computer component that executes instructions
produced in large quantities. This standardization began in the era of discrete transistor mainframes and minicomputers, and has rapidly accelerated with
Central_processing_unit
Putting fermions on a lattice with chiral symmetry results in more fermions than expected
{\displaystyle {\bar {\psi }}_{n}} . The derivative discretization used is the symmetric derivative discretization, with the vectors μ ^ {\displaystyle {\hat {\mu
Fermion_doubling
Approach to public-key cryptography
elliptic-curve protocols, a central hardness assumption is the elliptic curve discrete logarithm problem (ECDLP): given a public base point P {\displaystyle P}
Elliptic-curve_cryptography
Mathematical optimization problem restricted to integers
of Karp's 21 NP-complete problems. If some decision variables are not discrete, the problem is known as a mixed-integer programming problem. Integer linear
Integer_programming
Branch of physics
("cells"), and solve Maxwell's equations simultaneously across all cells. Discretization consumes computer memory, and solving the relevant equations takes significant
Computational electromagnetics
Computational_electromagnetics
cost. Accuracy depends on both discretization error and solution error. For discretization error, a given mesh is a discrete approximation of the space,
Types_of_mesh
Branch of numerical analysis
methods. Mortar methods are discretization methods for partial differential equations, which use separate discretization on nonoverlapping subdomains
Numerical methods for partial differential equations
Numerical_methods_for_partial_differential_equations
Mathematical space with a notion of distance
lower bounds on Ricci curvature. A metric space is discrete if its induced topology is the discrete topology. Although many concepts, such as completeness
Metric_space
Partition of Earth's surface into subdivided cells
distinct identifier and represents a fixed-scale region of the space. The discretization of the Latitude/Longitude system is the most popular, and the standard
Discrete_global_grid
Tessellation of Euclidean space
finite volume methods, finite difference methods, and in general for discretization of parameter spaces. Since the derivatives of field variables can be
Regular_grid
Expansion card which generates a feed of output images to a display device
display device such as a monitor. Graphics cards are sometimes called discrete or dedicated graphics cards to emphasize their distinction to an integrated
Graphics_card
mortar methods are discretization methods for partial differential equations, which use separate finite element discretization on nonoverlapping subdomains
Mortar_methods
Signal used to represent data as a sequence of discrete values
binary digit (bit). Because of this discretization, relatively small changes to the signal levels do not leave the discrete envelope, and as a result are ignored
Digital_signal
2007 mathematics textbook
sequences of numbers into mathematical objects; Green's theorem and its discretization; Bernoulli polynomials; the Euler–Maclaurin formula for the difference
Computing the Continuous Discretely
Computing_the_Continuous_Discretely
Type of discrete orthogonal polynomials
In mathematics, discrete Chebyshev polynomials, or Gram polynomials, are a type of discrete orthogonal polynomials used in approximation theory, introduced
Discrete Chebyshev polynomials
Discrete_Chebyshev_polynomials
Solid-state electrically operated switch also used as an amplifier
Databooks Discrete Databook; 1985; Fairchild (now ON Semiconductor) Small-Signal Semiconductors Databook, 1987; Motorola (now ON semiconductor) Discrete Power
Transistor
Methods for numerical approximations
from the exact solution. Similarly, discretization induces a discretization error because the solution of the discrete problem does not coincide with the
Numerical_analysis
American semiconductor manufacturer
Vishay Intertechnology, Inc. is an American manufacturer of discrete semiconductors and passive electronic components founded by Polish-born businessman
Vishay_Intertechnology
Problem of finding the best feasible solution
whether the variables are continuous or discrete: An optimization problem with discrete variables is known as a discrete optimization, in which an object such
Optimization_problem
1975 studio album by Brian Eno
Discreet Music is the fourth studio album by Brian Eno, and the first released under his full name (as opposed to simply "Eno"). The album is a minimalist
Discreet_Music
In applied mathematics, a discrete Chebyshev transform (abbreviated DCT, DChT, or DTT) is an analog of the discrete Fourier transform for a function of
Discrete_Chebyshev_transform
Intrinsic quantum property of particles
experiment, in which silver atoms were observed to possess two possible discrete angular momenta despite having no orbital angular momentum. The relativistic
Spin_(physics)
Discretization method for differential equations
computational physics, the term advection scheme refers to a class of numerical discretization methods for solving hyperbolic partial differential equations. In the
Upwind_scheme
Transform in numerical harmonic analysis
and functional analysis, a discrete wavelet transform (DWT) is any wavelet transform for which the wavelets are discretely sampled. As with other wavelet
Discrete_wavelet_transform
DISCRETIZATION
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Boy/Male
Indian
Heart in Lord Ram
Girl/Female
Indian
Strength
Girl/Female
British, Dutch, English, Finnish, Hebrew, Jamaican
God; God has Listen; Told by God; His Name is God; Heard of God; Believer of God
Boy/Male
British, English, Finnish, Swedish
God will Add Another Son
Surname or Lastname
Dutch and North German
Dutch and North German : nickname from bever ‘beaver’, possibly referring to a hard worker, or from some other fancied resemblance to the animal.English : variant spelling of Beaver.
Boy/Male
American, Biblical, British, English
Little Tom; Twin
Boy/Male
African, Hindu, Indian, Swahili
King; Owner
Female
French
Medieval form of Norman French Mathilde, MAHAUT means "mighty in battle."
Boy/Male
Indian, Sanskrit
Imperishable
Girl/Female
Hindu, Indian
Sweet; Cute
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