[spy1120]

谁说产生一个数的？
下面在〔-5，5）之间随机产生5行6列的数
clear;clc
m=5;n=6;
a=-5;b=5;
X=rand(m,n).*(b-a)+a

X =
-0.0345 1.6023 2.2711 2.0274 2.9482 4.7975
3.9977 -1.5803 -1.9071 0.4657 4.5684 -2.2855
3.2163 -2.1027 3.3850 -0.5512 0.2259 -2.4767
1.4491 -1.5881 0.6807 1.9457 3.8014 3.7574
3.1797 0.3408 -1.2959 1.2131 -3.2704 2.3731
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