Calcul.io · Function Lup from Algebra category of mathematical methods

lup

lup(m)

Calculate the Matrix LU decomposition with partial pivoting. Matrix A is decomposed in three matrices (L, U, P) where P * A = L * U

Try it yourself:

$1	lup([[2, 1], [1, 4]])
$2	lup(matrix([[2, 1], [1, 4]]))
$3	lup(sparse([[2, 1], [1, 4]]))

See also:

lusolve lsolve usolve slu qr