lu decomposition using doolittle algorithm matlab

lar part, including the main diagonal. The matrix \(L\) contains the lower triangular part, with ones on the diagonal. Mathematically, the matrices are: \[ L = \begin{bmatrix} 1 & 0 & 0 & \dots \\ l_{21} & 1 & 0 & \dots \\ l_{31} & l_{32} &a