About LU factorization

[parisse]

(06-05-2015 08:15 PM)salvomic Wrote:  Given the permutation matrix (by LU), like [1,3,2] is there a way to obtain the actual permutation matrix (like P21 = [[0,1,0], [1,0,0], [0,0,1]] ?

permu2mat in Xcas, not available on the Prime.