LU Decomposition Calculator

Given an $m\times n$ real or complex matrix $A$, this application calculates an LU decomposition of $A$ in the form \[ A = PLU, \] where $P$ is a permutation matrix, $L$ is a lower triangular matrix with unit diagonal entries, and $U$ is an upper triangular matrix.

See Input Data for the description of how to enter matrix or just click Example for a simple example.

LU Decomposition Calculator

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