How to generate a random matrix ?
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how to generate (4,4) a 20 binary random matrix in one function? like this
x1 = [ 1 0 1 0
1 1 0 0
0 1 1 0
0 0 1 0 ]
x2 = [ 1 1 0 1
0 1 0 0
1 1 0 1
0 1 0 1 ]
.
.
.
.
x20 = [ 1 0 1 0
0 0 0 1
1 1 1 0
1 0 1 1 ]
回答（3 个）
Image Analyst
2016-4-17
编辑：Image Analyst
2016-4-17
Try this:
x1 = randi([0, 1], [4,4])
Repeat for all of the other x. Or else (better because it's possibly more convenient), make a 3D array of 4-by-4-by-20.
Note: x1 is a double. If you want a binary as a boolean or logical, cast to logical:
x1 = logical(randi([0, 1], [4,4]))
3 个评论
Star Strider
2016-4-17
To specify the size of a square matrix, it is only necessary to use one dimension:
x1 = randi([0, 1], 4)
The matrix-generating functions assume a square matrix.
Hirak Basumatary
2019-6-14
How to generate unique random matrices ? Any algo for this?
Image Analyst
2019-6-14
You can use isequal() to compare the new matrix against any prior matrix.
if ~isequal(testMatrix, existingMatrix)
% Generate new test matrix
end
Harshit Agarwal
2019-4-1
0 个投票
theta = [2,1]
1 个评论
Image Analyst
2019-4-1
That is not a 4-by-4 square. And, it is not binary. So it's not an answer to Firas's question.
Jenin
2022-10-31
移动：Image Analyst
2022-11-1
0 个投票
You can use x = rand(4,4,20), It will gives you 20 set of 4x4 matrices.
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2016-4-17
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