Pseudocode FUNCTION GaussElimBackSub(A, b)

AUG = [A, b]

L1 = AUG(2, 1)/AUG(1, 1)

L2 = AUG(3, 1)/AUG(1, 1)

DOFOR i = 1 to 4

AUG(2, i) = AUG(2, i) L1 * AUG(1, i);

AUG(3, i) = AUG(3, i) L2 * AUG(1, i);

END DO

L3 = AUG(3, 2)/AUG(2, 2)

DOFOR i = 1 to 4

AUG(3, i) = AUG(3, i) L3 * AUG(2, i);

END DO

DISPLAY AUG

x3 = AUG(3, 4)/AUG(3, 3)

x2 = (AUG(2, 4) AUG(2, 3)*x3)/AUG(2, 2)

x1 = (AUG(1, 4) AUG(1, 2)*x2 - AUG(1, 3)*x3)/AUG(1, 1)

GaussElimBackSub = [x1; x2; x3]

END GaussElimBackSub

Implement the Nave Gauss Elimination with Back Substitution method in MATLAB using the pseudo code provided.