Python/NeutonMethod.py
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There are three methods that find approximately the roots of a non-linear function
2017-12-17 22:02:36 +02:00

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Python

import math
def newton(function,function1,startingInt): #function is the f(x) and function1 is the f'(x)
x_n=startingInt
while True:
x_n1=x_n-function(x_n)/function1(x_n)
if abs(x_n-x_n1)<0.00001:
return x_n1
x_n=x_n1
def f(x):
return math.pow(x,3)-2*x-5
def f1(x):
return 3*math.pow(x,2)-2
print(newton(f,f1,3))