= MATLAB lu = The '''`lu`''' function calculates the [[LinearAlgebra/LUDecomposition|LU decomposition]] of a square matrix. <> ---- == Usage == To solve the problem `Ax = b` for a square `A`, try: {{{ [L, U] = lu(A); y = L \ b; x = U \ y; }}} The original `A` can be returned by `L*U`. ---- CategoryRicottone