Metode Gauss
v SPL dengan metode Gauss
2x1 + 4x2 + 3x3 = 16
3x1 + 5x2 + 2x3 = 12
4x1 + 6x2 + 3x3 = 12
2x1 + 4x2 + 3x3 = 16
2x1 + 4.(7) + 3.(2) = 16
2x1 + 28 + 6 = 16
2x1 + 34 = 16
2x1 = 16 – 34
2x1 = -18
X1 = -18/2 = -9
-x2 – 5/2x3 = -12
-x2 = -12 + 5/2.(2)
-x2 = -7
x2 = 7
2x3 = 4
X3 = 4/2 = 2
v SPL dengan metode gauss jourdan