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Re-design psnr.py code and change image names (#592)

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* 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
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Rafael García Cuéllar
2018-11-05 18:19:08 +01:00
committed by Harshil
parent 39912aed57
commit beafe3656f
10 changed files with 53 additions and 50 deletions
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11
arithmetic_analysis/newton_method.py
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@ -1,15 +1,18 @@
# 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)<0.00001:
if abs(x_n-x_n1) < 10**-5:
return x_n1
x_n=x_n1
def f(x):
return (x**3)-2*x-5
return (x**3) - (2 * x) -5
def f1(x):
return 3*(x**2)-2
return 3 * (x**2) -2
print(newton(f,f1,3))
if __name__ == "__main__":
print(newton(f,f1,3))