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25 lines
522 B
Python
25 lines
522 B
Python
import math
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def intersection(
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function, x0, x1
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): # function is the f we want to find its root and x0 and x1 are two random starting points
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x_n = x0
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x_n1 = x1
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while True:
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x_n2 = x_n1 - (
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function(x_n1) / ((function(x_n1) - function(x_n)) / (x_n1 - x_n))
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)
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if abs(x_n2 - x_n1) < 10 ** -5:
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return x_n2
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x_n = x_n1
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x_n1 = x_n2
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def f(x):
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return math.pow(x, 3) - (2 * x) - 5
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if __name__ == "__main__":
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print(intersection(f, 3, 3.5))
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