Contoh-1
Selesaikan sistem persamaan linier dengan metode Eliminasi Gauss. gunakan 6 angka signifikan.
(Solusi eksak : x1 = 3, x2 = -2.5, x3 = 7 )
3 x1 – 0.1 x2 – 0.2 x3 = 7.85
0.1 x1 + 7 x2 – 0.3 x3 = -19.3
0.3 x1 – 0.2 x2 + 10 x3 = 71.4
Penyelesaian:
x1 = 3, x2 = -2.5, x3 = 7.00003
Chek hasil:
3 * (3) – 0.1 * (-2.5) – 0.2 * (7.00003) = 7.84999
0.1 * (3) + 7 * (-2.5) – 0.3 * (7.00003) = -19.300
0.3 * (3) – 0.2 * (-2.5) + 10 * (7.00003) = 71.4003
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