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added type hints and doctests to arithmetic_analysis/newton_method.py #2259

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Merged
merged 4 commits into from
Aug 1, 2020
Merged

added type hints and doctests to arithmetic_analysis/newton_method.py #2259

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f26b8b2
added type hints and doctests to arithmetic_analysis/newton_method.py
spamegg1 Aug 1, 2020
4ad625d
Added type hints and doctests to arithmetic_analysis/newton_method.py
spamegg1 Aug 1, 2020
8e20e61
added type hints and doctests to arithmetic_analysis/newton_method.py
spamegg1 Aug 1, 2020
d55491a
Update newton_method.py
cclauss Aug 1, 2020
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Update newton_method.py
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@cclauss
cclauss authored Aug 1, 2020
commit d55491a0c548a75300f1f6485b2ac0796b98c3f4
7 changes: 2 additions & 5 deletions arithmetic_analysis/newton_method.py
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Expand Up @@ -27,15 +27,12 @@ def newton(function: RealFunc, derivative: RealFunc, starting_int: int,) -> floa
...
ZeroDivisionError: Could not find root
"""
prev_guess: float = starting_int
prev_guess float(starting_int)
while True:
try:
next_guess: float = prev_guess - function(prev_guess) / derivative(
prev_guess
)
next_guess = prev_guess - function(prev_guess) / derivative(prev_guess)
except ZeroDivisionError:
raise ZeroDivisionError("Could not find root")

if abs(prev_guess - next_guess) < 10 ** -5:
return next_guess
prev_guess = next_guess
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