45 lines
805 B
Python
45 lines
805 B
Python
def gaussa(a, b):
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n = len(b)
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for s in range(n - 1):
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for i in range(s + 1, n):
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factor = a[i][s] / a[s][s]
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for j in range(s, n):
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a[i][j] -= factor * a[s][j]
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b[i] -= factor * b[s]
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x = [0] * n
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for i in range(n - 1, -1, -1):
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x[i] = (b[i] - sum(a[i][j] * x[j] for j in range(i + 1, n))) / a[i][i]
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return x
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A = [
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[4.88, -2.91, 1.34],
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[1.34, 5.3, -3.31],
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[2.18, -3.49, 6.7]
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]
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B = [7.86, -2.28, 4.47]
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solutions = gaussa(A, B)
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print("Macierz A:")
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for x in A:
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for a in x:
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print(round(a, 2), end=" ")
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print()
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print()
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print("Macierz B:")
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for b in B:
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print(round(b, 2), end=" ")
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print("\n")
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print("Rozwiązania: ")
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i = 1
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for x in solutions:
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print(f"x{i} = {round(x, 2)}")
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i += 1
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