Differences between revisions 1 and 3 (spanning 2 versions)

MATLAB lu

The lu function calculates the LU decomposition of a matrix.

Contents

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.

-  ⇤ ← Revision 1 as of 2026-01-15 21:10:22 → 
  Size: 294
  Editor: DominicRicottone
  Comment: Initial commit
+   ← Revision 3 as of 2026-02-07 04:39:45 → ⇥
  Size: 357
  Editor: DominicRicottone
  Comment: Note about A
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-To solve the problem `Ax = b`, try:
+To solve the problem `Ax = b` for a square `A`, try:
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+The original `A` can be returned by `L*U`.