• Thumbnail for Conjugate gradient method
    In mathematics, the conjugate gradient method is an algorithm for the numerical solution of particular systems of linear equations, namely those whose...
    45 KB (7,322 words) - 07:03, 16 November 2024
  • In numerical linear algebra, the conjugate gradient method is an iterative method for numerically solving the linear system A x = b {\displaystyle {\boldsymbol...
    23 KB (4,964 words) - 23:22, 5 August 2024
  • gradient descent Coordinate descent Frank–Wolfe algorithm Landweber iteration Random coordinate descent Conjugate gradient method Derivation of the conjugate...
    1 KB (109 words) - 05:36, 17 April 2022
  • In numerical optimization, the nonlinear conjugate gradient method generalizes the conjugate gradient method to nonlinear optimization. For a quadratic...
    7 KB (1,211 words) - 16:04, 31 October 2024
  • Gradient descent is a method for unconstrained mathematical optimization. It is a first-order iterative algorithm for minimizing a differentiable multivariate...
    38 KB (5,375 words) - 21:21, 14 November 2024
  • iteration Conjugate gradient method (CG) — assumes that the matrix is positive definite Derivation of the conjugate gradient method Nonlinear conjugate gradient...
    70 KB (8,336 words) - 05:14, 24 June 2024
  • The theory of stationary iterative methods was solidly established with the work of D.M. Young starting in the 1950s. The conjugate gradient method was...
    11 KB (1,490 words) - 16:11, 17 October 2024
  • competitively with conjugate gradient methods for many problems. Not depending on the objective itself, it can also solve some systems of linear and non-linear...
    8 KB (1,317 words) - 10:19, 13 August 2023
  • other variants such as the conjugate gradient squared method (CGS). It is a Krylov subspace method. Unlike the original BiCG method, it doesn't require multiplication...
    24 KB (1,473 words) - 18:20, 8 April 2024
  • the related Davidon–Fletcher–Powell method, BFGS determines the descent direction by preconditioning the gradient with curvature information. It does...
    18 KB (2,954 words) - 20:34, 13 October 2024
  • in that case the techniques of linear programming are applicable. Adjoint equation Newton's method Steepest descent Conjugate gradient Sequential quadratic...
    22 KB (2,885 words) - 00:49, 14 November 2024
  • Stochastic gradient descent (often abbreviated SGD) is an iterative method for optimizing an objective function with suitable smoothness properties (e...
    52 KB (6,883 words) - 21:22, 14 November 2024
  • gradient estimation method commonly used for training neural networks to compute the network parameter updates. It is an efficient application of the...
    55 KB (7,832 words) - 19:45, 23 November 2024
  • Thumbnail for Mathematical optimization
    Polyak, subgradient–projection methods are similar to conjugategradient methods. Bundle method of descent: An iterative method for small–medium-sized problems...
    52 KB (6,003 words) - 22:12, 14 November 2024
  • Proximal gradient (forward backward splitting) methods for learning is an area of research in optimization and statistical learning theory which studies...
    20 KB (3,193 words) - 19:03, 13 May 2024
  • that the standard conjugate gradient (CG) iterative methods can still be used. Such imposed SPD constraints may complicate the construction of the preconditioner...
    27 KB (2,830 words) - 17:16, 28 September 2024
  • Thumbnail for Gauss–Newton algorithm
    better, the QR factorization of J r {\displaystyle \mathbf {J_{r}} } . For large systems, an iterative method, such as the conjugate gradient method, may...
    26 KB (4,204 words) - 15:10, 13 November 2024
  • Thumbnail for Newton's method
    Bisection method Euler method Fast inverse square root Fisher scoring Gradient descent Integer square root Kantorovich theorem Laguerre's method Methods of computing...
    66 KB (8,364 words) - 01:19, 25 October 2024
  • algorithm (or simplex method) is a popular algorithm for linear programming. The name of the algorithm is derived from the concept of a simplex and was suggested...
    42 KB (6,186 words) - 14:18, 5 July 2024
  • method very similar to the much more popular conjugate gradient method, with similar construction and convergence properties. This method is used to solve linear...
    3 KB (744 words) - 12:02, 26 February 2024
  • Thumbnail for High-performance liquid chromatography
    Method Scaling, Part II: Gradient Separations". LCGC North America. 32 (3): 188–193. Martin, A. J. P.; Synge, R. L. M. (1941-12-01). "A new form of chromatogram...
    89 KB (10,999 words) - 13:19, 7 November 2024
  • Preconditioned Conjugate Gradient (LOBPCG) is a matrix-free method for finding the largest (or smallest) eigenvalues and the corresponding eigenvectors of a symmetric...
    37 KB (4,432 words) - 02:00, 16 October 2024
  • Thumbnail for Finite element method
    inverting the matrix.) In addition, L {\displaystyle L} is symmetric and positive definite, so a technique such as the conjugate gradient method is favored...
    60 KB (7,917 words) - 07:13, 2 November 2024
  • to the unconstrained case, often via the use of a penalty method. However, search steps taken by the unconstrained method may be unacceptable for the constrained...
    13 KB (1,844 words) - 07:20, 14 June 2024
  • Thumbnail for Expectation–maximization algorithm
    and Rubin. Other methods exist to find maximum likelihood estimates, such as gradient descent, conjugate gradient, or variants of the Gauss–Newton algorithm...
    51 KB (7,595 words) - 14:31, 6 November 2024
  • parameters, the steepest descent iterations, with shift-cutting, follow a slow, zig-zag trajectory towards the minimum. Conjugate gradient search. This...
    28 KB (4,538 words) - 23:33, 12 October 2024
  • between the desired and the actual signal). It is a stochastic gradient descent method in that the filter is only adapted based on the error at the current...
    16 KB (3,045 words) - 22:57, 1 May 2024
  • Energy minimization (category Pages using the JsonConfig extension)
    to try to minimize the forces and this could in theory be any method such as gradient descent, conjugate gradient or Newton's method, but in practice,...
    23 KB (3,076 words) - 23:37, 17 September 2022
  • priors are used. Via numerical optimization such as the conjugate gradient method or Newton's method. This usually requires first or second derivatives...
    10 KB (1,667 words) - 08:18, 3 September 2024
  • Thumbnail for Image segmentation
    a kind of feature in the original signal. Extracted features are accurately reconstructed using an iterative conjugate gradient matrix method. In one...
    75 KB (9,658 words) - 21:34, 4 November 2024