matlab

Write a function that solves a lower triangular system of linear equations 0 1 LL 200 Begin your function with Function solve lower(L.) where is the lower triangular coefficient matrix, b the constant vector on the right hand side of the equation and in the solution vector, Example Inputs: L-15,0,1,0,1,1,0,0,5,4,2,0; 1,, -6, -111 b-1-10;472;5) Output: - (-2; 3; 0; 21