I want to compute the A^{-0.5}, here A should be a positive definite matrix in theory, but in program it may be unsymmetric, so I use A=0.5(A+A^T), then how to compute A^{-0.5}?
I want to compute the A^{-0.5}, here A should be a positive definite matrix in theory, but in program it may be unsymmetric, so I use A=0.5(A+A^T), then how to compute A^{-0.5}?