A=[−2−1⋯−1−1−2−1⋯−1⋱−1⋯−1−2−1−1⋯−1−2]∈R53×53
So we want to find determinant of this big matrix. I tried for some cases I got the pattern like for even dimension determinant is n+1 and and for odd dimension it is −n−1 so answer should be −54 ;I guess. But what is formal method to do this calculation ; idea I have in mind is to find eigenvalue and then product will give me determinant.
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