Create Matrix Please Help Me

2021 6 2
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更新时间：2021 6 2
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Hello please help me I need a answer this question.
Write separately the following patterns (a), (b) the MATLAB program codes that can be created for any N value entered by the user, given as an example for the n= 6 value.

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DGM
DGM 2021-6-2
Ran in:

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Ran in:
This is one way
n = 6;
A = diag(1:n)
A = 6×6
1 0 0 0 0 0 0 2 0 0 0 0 0 0 3 0 0 0 0 0 0 4 0 0 0 0 0 0 5 0 0 0 0 0 0 6
[bx by] = meshgrid(n:-1:1);
B = triu(by) + tril(bx,-1)
B = 6×6
6 6 6 6 6 6 6 5 5 5 5 5 6 5 4 4 4 4 6 5 4 3 3 3 6 5 4 3 2 2 6 5 4 3 2 1

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DGM
DGM
2021-6-2

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