Do five iterative steps using Jacobi iteration starting from x0 = [1 1 1] and calculate convergence criteria. Show all steps. a. 3x1 − 2x2 = 1
−2x1 + 9x2 + 2x3 = −30
−x2 + 8x3 = 60

b. 3x1+ 2x2+ x3 =7
x1+ 3x2+ 2x3= 4
2x1+ x2+ 3x3= 7