Randomness of magic function

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anroy
anroy 2018-4-7
回答： anroy 2018-4-7
Hi
I'm a bit of a newbie.
I executed the following lines in the console.
a = magic(100)
x = a(37,:)
y = a(81,:)
plot(x, y, 'go', 'LineWidth', 2, 'MarkerFaceColor', 'r', 'MarkerSize', 6)
And here is the plot.
What's with the clustering at the top-left and bottom-right, and the linear nature within those clusters? It's not a problem, just trying to understand how the randomness of the "magic" function works.
Thanks.

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采纳的回答

Walter Roberson
Walter Roberson 2018-4-7
编辑：Walter Roberson 2018-4-7
magic() is not random at all. It always returns the same output for the same input. magic() constructs magic squares

更多回答（1 个）

anroy
anroy 2018-4-7
Ah, OK, got it. Sorry I should have checked the Help. Thanks Walter.

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