Changes

*So A=LU.But sometimes the product includes Permutation Matrix also.

*So A=LU.But sometimes the product includes Permutation Matrix also.

*LU Decomposition is also called LU Factorization.Here given matrix is split in to lower triangular and Upper triangular matrix.

*LU Decomposition is also called LU Factorization.Here given matrix is split in to lower triangular and Upper triangular matrix.

*For 2x2 matrix,

**For 2x2 matrix,

<math>\begin{bmatrix}

<math>\begin{bmatrix}

a_{11}      & a_{12}      \\

a_{11}      & a_{12}      \\