Example (cont.)

Second iteration: use the iterated values X1=2, Y1=2, Z1=13/4

X2 = (11/4) - (1/2)Y1 - (1/4)Z1 = 15/16

Y2 = (3/2) + (1/2)X1 = 5/2

Z2 = 4 - (1/2) X1 - (1/4)Y1 = 5/2

Final solution [1.014, 2.02, 2.996]

Exact solution [1, 2, 3]