• Thumbnail for Continuous or discrete variable
    quantitative variable may be continuous or discrete. If it can take on two real values and all the values between them, the variable is continuous in that...
    11 KB (1,327 words) - 03:10, 17 July 2025
  • dynamics, discrete time and continuous time are two alternative frameworks within which variables that evolve over time are modeled. Discrete time views...
    10 KB (1,535 words) - 10:14, 7 July 2025
  • Thumbnail for Convolution
    similar to cross-correlation: for real-valued functions, of a continuous or discrete variable, convolution f ∗ g {\displaystyle f*g} differs from cross-correlation...
    67 KB (8,819 words) - 22:44, 19 June 2025
  • Thumbnail for Probability distribution
    be defined in different ways and for discrete or for continuous variables. Distributions with special properties or for especially important applications...
    48 KB (6,688 words) - 17:43, 6 May 2025
  • Thumbnail for Discretization
    applied mathematics, discretization is the process of transferring continuous functions, models, variables, and equations into discrete counterparts. This...
    14 KB (2,400 words) - 04:27, 20 November 2024
  • Thumbnail for Spectrum (physical sciences)
    describe the evolution of some continuous variable (such as strain or pressure) as a function of time and/or space. Discrete spectra are also produced by...
    22 KB (2,733 words) - 20:30, 23 May 2025
  • Thumbnail for Probability mass function
    for either scalar or multivariate random variables whose domain is discrete. A probability mass function differs from a continuous probability density...
    10 KB (1,539 words) - 19:51, 12 March 2025
  • the discrete analog of ordinary spline interpolation Discrete time, non-continuous time, which results in discrete-time samples Discrete variable, non-continuous...
    1 KB (172 words) - 03:10, 22 June 2023
  • Thumbnail for Random variable
    discrete random variables and absolutely continuous random variables, corresponding to whether a random variable is valued in a countable subset or in...
    42 KB (6,634 words) - 15:00, 24 May 2025
  • to analyze samples of a continuous function. The term discrete-time refers to the fact that the transform operates on discrete data, often samples whose...
    40 KB (5,076 words) - 15:50, 30 May 2025
  • Thumbnail for Continuously variable transmission
    A continuously variable transmission (CVT) is an automated transmission that can change through a continuous range of gear ratios, typically resulting...
    43 KB (5,107 words) - 19:12, 7 July 2025
  • performance, fuel economy or emissions. There are two main types of VVL: discrete, which employs fixed valve lift amounts, and continuous, which is able to vary...
    10 KB (1,362 words) - 23:57, 16 October 2024
  • Continuous optimization is a branch of optimization in applied mathematics. As opposed to discrete optimization, the variables used in the objective function...
    1 KB (93 words) - 23:03, 28 November 2021
  • Thumbnail for Discrete mathematics
    Discrete mathematics is the study of mathematical structures that can be considered "discrete" (in a way analogous to discrete variables, having a bijection...
    26 KB (2,771 words) - 14:34, 10 May 2025
  • discrete Fourier series (DFS) is a Fourier series whose sinusoidal components are functions of a discrete variable instead of a continuous variable....
    4 KB (656 words) - 18:30, 14 December 2024
  • may be continuous or discrete variables in any combination. However, even when all the members are themselves continuous, a model containing one or more...
    6 KB (819 words) - 21:08, 30 March 2025
  • class analysis, the manifest variables are discrete. These variables could be dichotomous, ordinal or nominal variables. Their conditional distributions...
    5 KB (526 words) - 11:46, 25 May 2025
  • Thumbnail for Variable valve timing
    switching can also provide variable valve lift and variable duration, however the adjustment is discrete rather than continuous. The first production use...
    30 KB (3,853 words) - 00:10, 23 May 2025
  • the index variable takes a continuous set of values, as contrasted with a discrete-time process for which the index variable takes only distinct values...
    2 KB (212 words) - 13:14, 20 June 2022
  • Thumbnail for Discrete uniform distribution
    In probability theory and statistics, the discrete uniform distribution is a symmetric probability distribution wherein each of some finite whole number...
    7 KB (772 words) - 23:27, 31 March 2025
  • Thumbnail for Probability density function
    (PDF), density function, or density of an absolutely continuous random variable, is a function whose value at any given sample (or point) in the sample space...
    30 KB (4,947 words) - 17:28, 9 July 2025
  • learning, discretization refers to the process of converting or partitioning continuous attributes, features or variables to discretized or nominal...
    3 KB (330 words) - 19:07, 17 January 2024
  • variables) representing the current state of a discrete-time system (i.e. digital system) is x [ n ] {\displaystyle x[n]} , where n is the discrete point...
    5 KB (694 words) - 10:46, 10 April 2023
  • Thumbnail for Probability theory
    event. Central subjects in probability theory include discrete and continuous random variables, probability distributions, and stochastic processes (which...
    26 KB (3,568 words) - 18:40, 15 July 2025
  • Thumbnail for Entropy (information theory)
    the state of the variable, considering the distribution of probabilities across all potential states. Given a discrete random variable X {\displaystyle...
    71 KB (10,208 words) - 07:29, 15 July 2025
  • "how much" as in problems with continuous choice variables, discrete choice analysis examines "which one". However, discrete choice analysis can also be...
    47 KB (6,349 words) - 19:27, 23 June 2025
  • Discrete optimization is a branch of optimization in applied mathematics and computer science. As opposed to continuous optimization, some or all of the...
    2 KB (174 words) - 15:49, 12 July 2024
  • Thumbnail for Continuous uniform distribution
    In probability theory and statistics, the continuous uniform distributions or rectangular distributions are a family of symmetric probability distributions...
    28 KB (4,230 words) - 23:30, 5 April 2025
  • Thumbnail for Cumulative distribution function
    than or equal to x {\displaystyle x} . Every probability distribution supported on the real numbers, discrete or "mixed" as well as continuous, is uniquely...
    26 KB (4,110 words) - 15:38, 29 June 2025
  • 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...
    18 KB (2,282 words) - 02:30, 25 May 2025