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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
19 lines
447 B
Python
19 lines
447 B
Python
# Newton's Method - https://en.wikipedia.org/wiki/Newton%27s_method
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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) < 10**-5:
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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 (x**3) - (2 * x) -5
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def f1(x):
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return 3 * (x**2) -2
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if __name__ == "__main__":
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print(newton(f,f1,3))
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