代码搜索:sparse
找到约 3,324 项符合「sparse」的源代码
代码结果 3,324
www.eeworm.com/read/306698/13739975
c radjacency.c
/*
*
* Returns the Sparse adjacency matrix of neighbours of xi within the ball radius R, such {x_j}, ji, d(xi,xj)
www.eeworm.com/read/303498/13814239
m e0228.m
u=1:4;v=3:6;S=[0.1 0.2 0.3 0.4];
spa=sparse(u,v,S)
a=full(spa)
www.eeworm.com/read/147529/5728669
m preaug.m
% $Revision: 1.2 $
function[L,U,P,pcol] = preaug(H,pcf,A);
%PREAUG example preconditioner of augmented matrix
%
% [L,U,P,pcol] = PREAUG(H,pcf,A) computes a sparse
% factorization of the LU-facto
www.eeworm.com/read/147529/5728879
m preaug.m
% $Revision: 1.2 $
function[L,U,P,pcol] = preaug(H,pcf,A);
%PREAUG example preconditioner of augmented matrix
%
% [L,U,P,pcol] = PREAUG(H,pcf,A) computes a sparse
% factorization of the LU-facto
www.eeworm.com/read/274660/6288452
c prepare.c
/*
** 2005 May 25
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness fo
www.eeworm.com/read/491859/6427868
m li40.m
n=2000;
D=sparse(1:n,1:n,-2*ones(1,n),n,n);
E=sparse(2:n,1:n-1,ones(1,n-1),n,n);
S=E+D+E' %生成稀疏矩阵S
b=ones(n,1)
tic; %计时开始
x=S\b;
t1=toc %计时结束
www.eeworm.com/read/263879/11338200
m preaug.m
% $Revision: 1.2 $
function[L,U,P,pcol] = preaug(H,pcf,A);
%PREAUG example preconditioner of augmented matrix
%
% [L,U,P,pcol] = PREAUG(H,pcf,A) computes a sparse
% factorization of the LU-facto
www.eeworm.com/read/407093/11429503
m lusolve.m
function x = lusolve(A,b,Pcol)
% LUSOLVE : Solve linear systems by supernodal LU factorization.
%
% x = lusolve(A, b) returns the solution to the linear system A*x = b,
% using a supernodal LU
www.eeworm.com/read/407093/11429522
m verbose.m
% VERBOSE Set the sparse monitor flag to verbose.
spparms('spumoni', 1);
www.eeworm.com/read/347943/11626696
c ordmmdmex.c
/*
perm = ordmmdmex(X)
Computes multiple-minimum-degree permutation, for sparse
Cholesky. X is a sparse symmetric matrix; only its off-
diagonal sparsity structure is used.
Invokes