代码搜索：协方差矩阵
找到约 10,000 项符合「协方差矩阵」的源代码
代码结果 10,000
www.eeworm.com/read/193048/8255807
m ex1_17.m
% ex1_17
% 判别矩阵是否相等
a=[1 2 3;2 4 8;3 8 15];
b=[1 2 3;4 2 8;3 8 15];
if any(any(a~=b)),
flag='matrix is not the same',
else flag='matrix is the same',
end;
www.eeworm.com/read/367928/9722517
m twostep.m
function [x,n]=twostep(A,b,x0,eps,varargin)
if nargin==3
eps= 1.0e-6;
M = 200;
elseif nargin
www.eeworm.com/read/249868/12465454
m 15-7.m
I=imread('rice.tif');
% 读入原图像
S = qtdecomp(I,0.05);
% 对图像进行四叉树分解
subplot(121)
imshow(I);
title('原图像')
subplot(122)
imshow(S);
title('四叉树分解的稀疏矩阵')
www.eeworm.com/read/334943/12560103
m 12-3.m
I = imread('moon.tif');
I16 = uint16(I);
J = immultiply(I16,I16);
%类似矩阵点乘运算，但注意类型的处理
subplot(121),imshow(I)
subplot(122),imshow(J)