how to assign the equality relationship for the elements symmetry to the diagnoal of a matrix

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Hi, I have a 4 by 4 matrix which is
And I am trying to assign a relationship between elements in this matrix that elements which are symmetry to the diagonal are equal, to be specific, ( i ignored xo),
2=5, 3=9, 4=13, 7=10, 8=14, 12=15. Is is possible to use a for loop to assign this relationship?

Accepted Answer

Bruno Luong
Bruno Luong on 14 Sep 2019
Edited: Bruno Luong on 14 Sep 2019
% random test matrix
A = rand(4)
% symmetrize of A by copying the lower part to upper part
B = tril(A)+tril(A,-1).'
for i=1:0 % because you require a for-loop

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