Code for Jacobi's method using only one for loop

Hello all, I am very new to matlab. I need to write a code to the Jacobi method implementing only one for loop. I have found here a code with 2 for loops. Anyone have any suggestions as to how to create this code? Thanks! http://www.mathworks.com/matlabcentral/fileexchange/2182-numerical-methods-using-matlab--3e/content/edition3/jacobi.m

[Geoff Hayes]

Greta - is this homework? Please describe why only one loop is needed and what you have attempted so far.

Answer 1

[Andrei Bobrov]

Hi Greta! Please use function eye and diag for vectorization second loop.