mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-11-28 07:21:07 +00:00
beafe3656f
* Change some Image File names & re-code the psnr algorithm (conserving both methods). Also Added new example. * Selected psnr method and reformat some code from arithmetic_analysis
19 lines
447 B
Python
19 lines
447 B
Python
# Newton's Method - https://en.wikipedia.org/wiki/Newton%27s_method
|
|
|
|
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) < 10**-5:
|
|
return x_n1
|
|
x_n=x_n1
|
|
|
|
def f(x):
|
|
return (x**3) - (2 * x) -5
|
|
|
|
def f1(x):
|
|
return 3 * (x**2) -2
|
|
|
|
if __name__ == "__main__":
|
|
print(newton(f,f1,3))
|