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/319871/13440960
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/319446/13451697
m ex1419.m
%例14-19 稀疏矩阵函数应用
S=sparse(randn(100)>3)
nnz(S)
nzmax(S)
issparse(S)
spy(S) %显示结果如图14-2
www.eeworm.com/read/319446/13451707
m ex1420.m
%例14-20 nnz和nzmax区别
S=sparse(rand(100)>0.98);
nnz(S)
nzmax(S)
B=double(S);
SS=B*B;
nnz(SS)
nzmax(SS)
whos
www.eeworm.com/read/319404/13452296
m ex1419.m
%例14-19 稀疏矩阵函数应用
S=sparse(randn(100)>3)
nnz(S)
nzmax(S)
issparse(S)
spy(S) %显示结果如图14-2
www.eeworm.com/read/319404/13452306
m ex1420.m
%例14-20 nnz和nzmax区别
S=sparse(rand(100)>0.98);
nnz(S)
nzmax(S)
B=double(S);
SS=B*B;
nnz(SS)
nzmax(SS)
whos
www.eeworm.com/read/309747/13664990
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/309139/13680985
makefile
# NIST Sparse BLAS v. x.x
###########################################################
#
# Makefile for Sparse BLAS Toolkit (Basic)
#
###########################################################
includ
www.eeworm.com/read/304826/13786067
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/304351/13795774
m exn46.m
%《MATLAB及其在理工课程中的应用指南》(十一五规划版)第四章第六节演示程序
% 系数矩阵函数库
% 西安电子科技大学出版社出版 陈怀琛编著 2007年7月
%
clear, close all
echo on
x = [ 0 0 0 0 0 ;...
0 0
www.eeworm.com/read/303048/13823216
m som_neighbors.m
function Ne = som_neighbors(sM,neigh)
% Ne = som_neighbors(sM,neigh)
%
% sM (struct) map or data struct
% (matrix) data matrix, size n x dim
% [neigh] (string) 'kNN' or 'Nk' (which is va