Let
A=[[-1,-2,-5],[2,-4,-3],[1,-5,-3]].
Compute the following. For any square matrix
A
, is the matrix
A+A^(T)
lower triangular, upper triangular, symmetric, skew- symmetric, or none of these? For any square matrix
A
, is the matrix
A-A^(T)
lower triangular, upper triangular, symmetric, skew- symmetric, or none of these?