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22 lines
514 B
Python
22 lines
514 B
Python
"""from math import exp, log
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def iterate(x):
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#return x - (2.0*x - exp(-x))/(2.0+exp(-x)) #Newton
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#return 0.5*exp(-x) #F_1
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return (-1)*log(2.0*x) #F_2
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x = 0.9
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for i in range(10):
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print (i, x)
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x = iterate(x)
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"""
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from math import log
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f = lambda x: -log(2*x)
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x = 0.35173371124919582602
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#x = 0.3517337112491958260249093009299510651715
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for i in range(200):
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print("x 0.35173371124919582602")
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print("x 0.3517337112491958260249093009299510651715")
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print("%i %.30f" % (i, x))
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x = f(x)
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