Python/arithmetic_analysis/intersection.py

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2018-10-19 12:48:28 +00:00
import math
def intersection(function,x0,x1): #function is the f we want to find its root and x0 and x1 are two random starting points
x_n = x0
x_n1 = x1
while True:
x_n2 = x_n1-(function(x_n1)/((function(x_n1)-function(x_n))/(x_n1-x_n)))
if abs(x_n2 - x_n1) < 10**-5:
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return x_n2
x_n=x_n1
x_n1=x_n2
def f(x):
return math.pow(x , 3) - (2 * x) -5
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if __name__ == "__main__":
print(intersection(f,3,3.5))