You must create a n-by-n symmetric matrix such that A(row,col) = row/col for col >= row.
Example if n =3 :
output is :
1.0000 0.5000 0.3333
0.5000 1.0000 0.6667
0.3333 0.6667 1.0000
since A(2,1) = A(1,2) = 1/2
or A(3,1)= A(1,3) = 1/3
Faulty solution that passes the test suite due to ill-defined test criterium in tests 3 and 4: obviously, the function output and A_correct are not the same.
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Get the elements of diagonal and antidiagonal for any m-by-n matrix
Angle between two vectors
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