gradient method


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gradient method

[′grād·ē·ənt ‚meth·əd]
(mathematics)
A finite iterative procedure for solving a system of n equations in n unknowns.
References in periodicals archive ?
A modified Hestenes-Stiefel conjugate gradient method with sufficient descent condition and conjugacy condition.
Determining the periodic response of nonlinear systems by a gradient method / M.S.
The goal was to improve the convergence of parallelized conjugate gradient method after preconditioning by pseudo-cliques balancing.
Meller's algorithm, an outline of which is presented below, is based on the well-known conjugate gradient method [5] which works well for quadratic or nearly-quadratic functions.
Thus, by the sub gradient method (Bertsekas, 1999), we obtain the following algorithm for price adjustment for node destination pair (i, k):
A modified scaled memoryless BFGS preconditioned conjugate gradient method for unconstrained optimization.
Spectral Projected Gradient Method. The SPG method improves choosing the steplength, which greatly speeds up the convergence of gradient methods [22].
However, since the conjugate gradient method is unstable and suboptimal, DSNE only gets a little better recognition rate than DCV, and its accuracy curve is more fluctuant.
A distributed estimation method to unveil the anomalies presented in OD flows using proximal gradient method was proposed by Mardani et al.
the position vector of the observer, we obtain the exact expression of angular glint at near field based on phase gradient method, and show that the expression in [1] is the far-field approximation of ours under certain polarization.
Then, conjugate gradient method can be employed to solve the matrix equation in (7).

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