Develop your own M-file function for Gauss-Seidel with relaxation. Here is the function’s first line:function [x,ea,iter] = ...GaussSeidelR(A,b,lambda,es,maxit)

In the event that the user does not enter a value for λ, set the default value as  λ = 1.Test it by duplicating Example 12.2 and then use it to solve Prob. 12.2b.

Example 12.2

Data From Problem 12.2b.

Repeat (a) but use overrelaxation with λ = 1.2.

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Solve the following system with Gauss-Seidel using overrelaxation ( = 1.2) and a stopping criterion of 5 = 10%: -3x1 + 12x =9 10x12x2 = 8