hello! how can I create a matrix (size 10X10) with random numbers of 1 and -1?

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shaked peled 2022-5-15

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Answer 1

Dyuman Joshi 2022-5-15

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https://ww2.mathworks.cn/matlabcentral/answers/1719615-hello-how-can-i-create-a-matrix-size-10x10-with-random-numbers-of-1-and-1#answer_964270

在 MATLAB Online 中打开

y=[-1 1];
z=y(randi(2,10,10))
z = 10×10
    -1    -1    -1     1    -1     1    -1    -1     1     1
    -1    -1    -1     1    -1     1     1     1    -1    -1
     1    -1    -1    -1    -1     1     1    -1    -1    -1
    -1    -1    -1     1     1    -1    -1    -1    -1     1
    -1    -1     1    -1     1     1    -1     1     1     1
     1     1     1    -1     1    -1    -1     1    -1    -1
    -1     1    -1     1    -1    -1     1     1     1     1
    -1    -1    -1     1     1    -1     1    -1     1    -1
     1     1    -1    -1     1    -1    -1    -1     1     1
    -1     1     1     1    -1     1    -1    -1     1    -1