MATLAB如何生成这样的矩阵:矩阵为1行254列,由1,2,3,4,5,6,7这几个数...答:[x,y,z]=ndgrid(1:7);p=[x(:),y(:),z(:)];%获得所有可能的3个数的排列r=p(:,1)==p(:,2)|p(:,2)==p(:,3);p(r,:)=[];%除去有连续值得排列a=zeros(1,254);a(1:3)=p(1,:);%选取p的第一行作为最开始三个数p(1,:)=[];%删除掉该行,不再允许该组合出现for...
用MATLAB随机生成元素为-5--5的二维矩阵,当矩阵行数大于列数时,将矩阵...答:a = randint(10,10,[-5 5]);b = triu(a,1);b(b<0) = 0;c = tril(a,-1);c(c>0) = 1;m = b+diag(ones(10,1))+c;n = fliplr(m);R = triu(n,1)+diag(-ones(10,1))+tril(n,-1);R = fliplr(R)