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Gaussian elimination O solutions submitted (max: Unlimited) Create a function gaussian_elimination that performs the gaussian elimination of linear system of the form AT = 7. The function should return the associated upper triangular matrix u and the modified right-hand side t. The function header should look something like function (U,F] = gaussian_elimination(a,b) Please make sure to consider the case when 4 = 0. In particular, you will need to swap the ith row with the closest row below that has a non-zero element in the ith column. Function Reset E MATLAB Documentation 1 function (U,f] = gaussian_elimination(A,b) 2 % performs gaussian elimination on the augmented matrix (A,b], returning 3 x the upper-triangular matrix U (from A) and the updated vector f (from b) 4 5 6 end Code to call your function e Reset 1 [U,f] = gaussian_elimination(A,b) Run Function Assessment: Run Pretest Submit > Respect Guidelines (Pretest) Class Example Check for the upper triangular matrix Check for right hand side What if a(i,i)=0?