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/257911/11907398
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] = grad
www.eeworm.com/read/257008/11961363
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/151608/12188258
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/250122/12430179
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/123705/14616038
m genmat2.m
function [A,B,b]=genmat2(xy,el,a,b,s)
%GENMAT2 Generates FEM2 matrices.
% [A,B,b] = GENMAT2(NOD2XY,EL2NOD,ALPHA,BETA,S)
% where NOD2XY contains the node points
% and EL2NOD contains the tri
www.eeworm.com/read/216389/15015379
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/212602/15152058
m fm_syn.m
function fm_syn(flag)
% FM_SYN defines Synchronous Machines
%
% FM_SYN(FLAG)
% FLAG = 1 algebraic equations
% FLAG = 2 algebraic Jacobians
% FLAG = 3 differential equations
% F
www.eeworm.com/read/212602/15152063
m fm_spf.m
function fm_spf
% FM_SPF solve standard power flow by means of the NR method
% and fast decoupled power flow (XB and BX variations)
% with either a single or distributed slack bus model.
%
www.eeworm.com/read/473505/6845145
m ex46.m
%《MATLAB及其在理工课程中的应用指南》第四章第六节演示程序
% 西安电子科技大学出版社出版 陈怀琛编著 1999年10月初版，2004年11月第二版
%
x = [ 0 0 0 0 0 ;...
0 0 0 0.1302 0 ;...
www.eeworm.com/read/295431/8163915
m q46.m
%《MATLAB及在电子信息课程中的应用》第四章第六节演示程序q46
% 稀疏矩阵函数
% 电子工业出版社出版 陈怀琛 吴大正 高西全合著 2001年10月初版，2003年7月第二版
%
x = [ 0 0 0 0 0 ;...
0 0 0 0.1302