matlat保存矩阵数据

a=[1 2 3; 4 5 6];
fid = fopen('haha.txt', 'w+');
fprintf(fid,'%8.4f %8.3f %d\n', a');
fclose(fid);

type haha.txt

 

 

参考：https://wenku.baidu.com/view/f3cc1455ad02de80d4d84089.html