Is there a way to set the range of values when using the magic function?

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Ryan O Malley
Ryan O Malley 2022-4-8
编辑： Adam Danz 2022-4-8
Lets say I have
M=magic(5)
The values randomly assigned to each positon in the matrix will range from 1 to 25.
Is there any way to generate a 5x5 matrix like this but to control the range of each element, for example 1 to 6?

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回答（1 个）

Adam Danz
Adam Danz 2022-4-8
编辑：Adam Danz 2022-4-8
Ran in:
The values returned by magic(n) are not randomly assigned (see documentation).
I think what you're describing is randperm.
n = reshape(randperm(25),5,5) % values 1:25
n = 5×5
10 8 6 20 18 15 4 17 21 16 14 7 9 12 22 1 25 13 2 23 19 3 5 24 11
or perhaps randi for sampling with replacement
n = randi(6,5,5) % values 1:6
n = 5×5
1 1 6 4 2 3 6 2 4 5 2 2 5 4 1 3 3 4 2 6 1 1 3 6 4

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