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/132706/14078014
m grad_ccv.m
function [df, dg] = grad_ccv(x, baseMVA, bus, gen, gencost, branch, Ybus, Yf, Yt, V, ref, pv, pq, mpopt)
%GRAD_CCV Evaluates gradients of objective function & constraints for OPF.
% [df, dg] = gr
www.eeworm.com/read/205013/15329861
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/201342/15409902
txt 06-20.txt
例6-20 issparse函数的使用。
解：在命令窗口中输入如下命令，并按Enter键确认。
>> v=[1 2 5 9 4 1 2 6];
>> S=diag(v,2) %生成矩阵S
S =
0 0 1 0 0 0 0 0 0 0
0 0 0
www.eeworm.com/read/200429/15433555
m components.m
function [ci sizes] = components(A,varargin)
% COMPONENTS Compute the connected components of a graph.
%
% [ci sizes] = components(A) returns the component index vector (ci) and
% the size of each
www.eeworm.com/read/103618/15727615
m exm051523_1.m
%exm051523_1.m
n=5;
SM1=sparse(1:n,1:n,-2*ones(1,n),n,n,n);
SM2=sparse(2:n,1:n-1,ones(1,n-1),n,n,n-1);
S1=SM1+SM2+SM2'
e=ones(n,1);
S2=spdiags([e,-2*e,e],[-1,0,1],n,n),
SF=full(S1)
www.eeworm.com/read/303425/13816451
c save_to_disk.c
#include "save_to_disk.h"
/** \brief get a new file descriptor in writting mode */
FILE * get_new_file_descriptor_w (char *filename) {
FILE *fd;
if (!(fd = fopen(filename, "w"))) {
perror(fil
www.eeworm.com/read/390194/8477847
txt 06-14.txt
例6-14 用sparse函数将满矩阵转化为稀疏矩阵。
解：在命令窗口中输入如下命令，并按Enter键确认。
>> i=[5 2 4 7 1 3 2 6];
>> j=[2 4 3 7 2 5 1 8];
>> s=[8 1 0 5 1 2 4 3];
>> X=diag(s,-2)
X =
0 0 0 0 0 0
www.eeworm.com/read/431224/8694904
m gycall.m
function Gycall(a)
global DAE
if ~a.n, return, end
omega_m = DAE.x(a.omega_m);
idr = DAE.x(a.idr);
iqr = DAE.x(a.iqr);
V = DAE.y(a.vbus);
t = DAE.y(a.bus);
st = sin(t);
ct = cos(t);
rs = a.con(:,
www.eeworm.com/read/431224/8694919
m fxcall.m
function Fxcall(p)
global DAE
if ~p.n, return, end
Vs = DAE.x(p.Vs);
u = p.u & Vs = p.con(:,9);
DAE.Gx = DAE.Gx + sparse(p.vref,p.Vs,u,DAE.m,DAE.n);
DAE.Fx = DAE.Fx - sparse(p.
www.eeworm.com/read/431224/8695017
m gcall.m
function gcall(a)
global DAE
if ~a.n, return, end
DAE.g = DAE.g ...
- sparse(a.vbus,1,a.u.*DAE.x(a.ist).*DAE.y(a.vbus),DAE.m,1) ...
+ sparse(a.vref,1,a.Vref-DAE.y(a.vref),DAE.m,1);