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/489816/6461871
m program_20_1.m
% 本程序实现小波在矩阵方程求解中的应用
clear;clc;
% 构造小波矩阵
[h,g]= wfilters('db7','d'); % 分解低通和高通滤波器
N=512; % 矩阵维数(大小为2的整数幂次)
L=length(h); % 滤波器长度
rank_max=log2(N); % 最大层数
rank_m
www.eeworm.com/read/485012/6570613
m t_jacobian.m
function t_jacobian(quiet)
%T_JACOBIAN Numerical tests of partial derivative code.
% MATPOWER
% $Id: t_jacobian.m,v 1.2 2004/08/23 20:59:46 ray Exp $
% by Ray Zimmerman, PSERC Cornell
% Copy
www.eeworm.com/read/485012/6570643
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/480529/6665733
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/263516/11358329
m gycall.m
function Gycall(a)
global Bus DAE
if ~a.n, return, end
bus1 = a.bus1;
bus2 = a.bus2;
V1 = DAE.V(bus1);
V2 = DAE.V(bus2);
a1 = DAE.a(bus1);
a2 = DAE.a(bus2);
vp = DAE.x(a.vp);
vq =
www.eeworm.com/read/263516/11358346
m gcall.m
function gcall(a)
global Bus DAE
if ~a.n, return, end
x = DAE.x(a.x);
V1 = DAE.V(a.bus);
Tf = a.con(:,5);
Plz = a.con(:,6);
Pli = a.con(:,7);
Plp = a.con(:,8);
Qlz = a.con(:,9);
Qli =
www.eeworm.com/read/263516/11358800
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
%
www.eeworm.com/read/263516/11358820
m gcall.m
function gcall(a)
global Bus DAE Settings
if ~a.n, return, end
x = DAE.x(a.x);
y = DAE.x(a.y);
V1 = DAE.V(a.bus);
t1 = DAE.a(a.bus);
Kpf = a.con(:,5);
Kpv = a.con(:,6);
alpha = a.con(:,
www.eeworm.com/read/263516/11359448
m fm_mat.m
function cdata = fm_mat(filename)
% FM_MAT filter images for fitting GUI appearance
%
% CDATA = FM_MAT(FILENAME)
% FILENAME bitmap file name without extension (string)
% CDATA MxNx3 array
www.eeworm.com/read/263516/11359495
m fm_snb.m
function fm_snb
% FM_SNB compute Saddle-node Bifurcation
% by means of a Direct Method
%
% FM_SNB
%
%System Equations:
% g(y,kg,lambda) = 0 -> operating point
% dg/dy'*ro