方法1 fid = fopen('data.txt','wt'); % data.txt为写入文件名 matrix = M; % M为要存储的矩阵 [m,n]=size(matrix); for i=1:1:m for j=1:1:n if j==n fprintf(fid,'%f\n',matrix(i,j)); else fprintf(fid,'%f\t',matrix(i,j)); end end end fclose(fid); 方法2 fid = fopen('data.txt',…