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/233522/4667175
cxx vcl_vector+vcl_vector+vnl_sparse_matrix_pair+double---.cxx
#include
#include
VCL_VECTOR_INSTANTIATE(vcl_vector);
www.eeworm.com/read/233522/4667269
cxx vcl_vector+vcl_vector+vnl_sparse_matrix_pair+float---.cxx
#include
#include
VCL_VECTOR_INSTANTIATE(vcl_vector);
www.eeworm.com/read/390194/8477902
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/188426/8541387
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/387853/8650996
m band_solve.m
%
% Written by M. Harper Langston - 5/10/00
% harper@cims.nyu.edu
%
% For this sparse LU solver of Ax = b, A has band s.
% For example, the following matrix has band s = 1
%
% x x 0 0 0 0
% x
www.eeworm.com/read/431224/8694695
m fxcall.m
function Fxcall(a)
global DAE
if ~a.n, return, end
V1 = DAE.y(a.v1);
V2 = DAE.y(a.v2);
a1 = DAE.y(a.bus1);
a2 = DAE.y(a.bus2);
vp = DAE.x(a.vp);
vq = DAE.x(a.vq);
iq = DAE.x(a.iq);
Kr = a.con(:,7
www.eeworm.com/read/431224/8694783
m gcall.m
function gcall(a)
global DAE
if ~a.n, return, end
x = DAE.x(a.x);
V1 = DAE.y(a.vbus);
Tf = a.con(:,5);
Plz = a.con(:,6);
Pli = a.con(:,7);
Plp = a.con(:,8);
Qlz = a.con(:,9);
Qli = a.con(:,10);
Qlp
www.eeworm.com/read/431224/8695094
m gcall.m
function gcall(a)
global DAE
if ~a.n, return, end
Ik = DAE.x(a.Ik);
Vk = DAE.x(a.Vk);
m = DAE.x(a.m);
Vs = DAE.y(a.vbus);
Sn = a.con(:,2);
Vn = a.con(:,3);
Vbas = a.con(:,24);
xt = a.con(:,26);
DA
www.eeworm.com/read/431224/8695345
m gycall.m
function Gycall(a)
global DAE
if ~a.n, return, end
V1 = a.u.*DAE.y(a.v1);
V2 = a.u.*DAE.y(a.v2);
a1 = DAE.y(a.bus1);
a2 = DAE.y(a.bus2);
ss = sin(a1-a2);
cc = cos(a1-a2);
Kpr = a.con(:,11);
den =
www.eeworm.com/read/431224/8696240
m gcall.m
function gcall(p)
global DAE Exc
if ~p.n, return, end
DAE.g = DAE.g - sparse(Exc.vref(p.exc),1,DAE.x(p.v),DAE.m,1);
DAE.g = DAE.g + sparse(p.If,1,ifield(p,1)-DAE.y(p.If),DAE.m,1);