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www.eeworm.com/read/158241/11630878
m ex0508.m
% EX0508 用try... catch... end结构来进行计算
n=4;
a=magic(n);
m=3;
b=eye(3);
try
c=a*b
catch
c=a(1:m,1:m)*b
end
lasterr
www.eeworm.com/read/156874/11758120
txt 04-06.txt
>> x1=[11 22 33 44]
>> x2=[1,2,3,4]
>> a=dot(x1,x2)
>> sum(x1.*x2) %还可以采用sum方法计算向量的点积
>>
www.eeworm.com/read/156378/11807523
m exam9_18.m
% 设置coiflet小波名
wname = 'coif2';
% 计算相关的尺度滤波器
f = coifwavf(wname)
www.eeworm.com/read/345494/11812391
m ex3515.m
%例35-15：计算二重积分。
syms x y
f = @(x,y)exp(-x.^2/3).*sin(x.^2+2*y);
I=dblquad(f,-1,1,-1,1)
www.eeworm.com/read/345494/11813373
m ex2110.m
%例21-10：计算三重定积分。
F = @(x,y,z)y*sin(x)+z*cos(x);
Q = triplequad(F,0,pi,0,1,-1,1);
Q
www.eeworm.com/read/155674/11855686
m pathlong.m
function pathlong=pathlong(path,TSPMatrix)
%计算路径长度
[row,col]=size(path);
for i=1:row
pathlong(i)=0;
for j=1:(col-1)
pathlong(i)=pathlong(i)+TSPMatrix(path(i,j),path(i,j+1));