########## from numpy import * arr = random.rand(4,4) print(arr) randmat = mat(arr) invrandmat = randmat.I print(invrandmat) result = randmat*invrandmat print(result) ##########

########## from numpy import * arr = random.rand(4,4) print(arr) randmat = mat(arr) invrandmat = randmat.I print(invrandmat) result = randmat*invrandmat print(result) ##########