$5.$ Develop an M$-$file function for the Gauss$-$Seidel method. The function must rearrange the equations to achieve convergence. Here is the functions first line:

function $\backslash ([\backslash$mathrm$\{$x$\},\backslash$mathrm$\{$ea$\},\backslash$mathrm$\{$iter$\}]=\backslash )$ GaussSeidel$($A$,$ b$,$es$,$ maxit$)$