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There are three methods that find approximately the roots of a non-linear function
17 lines
362 B
Python
17 lines
362 B
Python
import math
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def newton(function,function1,startingInt): #function is the f(x) and function1 is the f'(x)
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x_n=startingInt
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while True:
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x_n1=x_n-function(x_n)/function1(x_n)
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if abs(x_n-x_n1)<0.00001:
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return x_n1
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x_n=x_n1
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def f(x):
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return math.pow(x,3)-2*x-5
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def f1(x):
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return 3*math.pow(x,2)-2
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print(newton(f,f1,3)) |