Square matrix input, output same elements in upper right triangle

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KF
KF 2019-8-26
评论： KF 2019-8-26
Any pointers on this one? I'm not looking for just an answer, I want to understand why and how it works so I can use this in the future. Matrix B referenced in the question is B=[-6 0 4; -2 8 3; 7 0 1]

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KALYAN ACHARJYA
KALYAN ACHARJYA 2019-8-26
编辑：KALYAN ACHARJYA 2019-8-26
>> magic(6);
>> triu(ans);
Here
B=[-6 0 4; -2 8 3; 7 0 1];
result=triu(B)
Also, you can do the same in multiple ways (without inbuilt function)

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