Please provide answer with explaination for the question in picture.

4. Write pseudo-code to obtain solution of the given system of equations Ma=B. Matrix M dimensions are NN, [a1, a2,... ,avl is vector of unknowns M.D. in figure denotes, the non-zero elements on the main diagonal, a and B [B1, B2, . . . ,By] is the given right hand side vector Write the pseudo-code of algorithm assuring lowest computational cost designed specifically for the given syste: Non-zero elements on two diagonals of matrix M are denoted with black lines, | | i other elements are equal to zero: 10 12