矩阵有些行需要重复 By adminNovember 10, 2020November 10, 2020learn %% 矩阵a每一行重复n次 a为已知矩阵 m=size(a,1); % a有多少行? b=[] n=5; for i=1:m b0=repmat(a(i,:),n,1); b=[b;b0]; end %% 矩阵a每m行重复n次,a为已知矩阵 b=[]; n=5; m=5; k=size(a,1)/m; %循环k次 for i=1:k b0=repmat(a((i*m-(m-1)):m*i,:),n,1); b=[b;b0]; end