Create a square matrix with a nested loop

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Mehmet ali Karatas
Mehmet ali Karatas 2020-8-31
编辑： Clement Val 2020-8-31
-20 -18 -16 -14
-12 -10 -8 -6
-4 -2 0 2
4 6 10 12
can you create it with a loop inside
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Mehmet ali Karatas
Mehmet ali Karatas 2020-8-31
I tried but I still couldn't. I will be glad if you help.
madhan ravi
madhan ravi 2020-8-31
Post what you have tried, even if it has mistakes.

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回答（2 个）

KSSV
KSSV 2020-8-31
编辑：KSSV 2020-8-31
A = zeros(4) ;
A(1,:) = -20:2:-14 ;
A(2,:) = -12:2:-6 ;
A(3,:) = -4:2:2 ;
A(4,:) = 4:2:10 ;
Clement Val
Clement Val 2020-8-31
编辑：Clement Val 2020-8-31
reshape([-20:2:10], 4, 4)'
Just (half) kidding.
You know how to do a loop?
You know how to index in a 2 dim array?
You know how to increment another variable by two?

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