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Set the Python file maximum line length to 88 characters (#2122)

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* flake8 --max-line-length=88

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
This commit is contained in:
Christian Clauss
2020-06-16 10:09:19 +02:00
committed by GitHub
parent 9438c6bf0b
commit 9316e7c014
90 changed files with 473 additions and 320 deletions
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9
machine_learning/gradient_descent.py
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@ -1,5 +1,6 @@
"""
Implementation of gradient descent algorithm for minimizing cost of a linear hypothesis function.
Implementation of gradient descent algorithm for minimizing cost of a linear hypothesis
function.
"""
import numpy
@ -75,7 +76,8 @@ def summation_of_cost_derivative(index, end=m):
:param index: index wrt derivative is being calculated
:param end: value where summation ends, default is m, number of examples
:return: Returns the summation of cost derivative
Note: If index is -1, this means we are calculating summation wrt to biased parameter.
Note: If index is -1, this means we are calculating summation wrt to biased
parameter.
"""
summation_value = 0
for i in range(end):
@ -90,7 +92,8 @@ def get_cost_derivative(index):
"""
:param index: index of the parameter vector wrt to derivative is to be calculated
:return: derivative wrt to that index
Note: If index is -1, this means we are calculating summation wrt to biased parameter.
Note: If index is -1, this means we are calculating summation wrt to biased
parameter.
"""
cost_derivative_value = summation_of_cost_derivative(index, m) / m
return cost_derivative_value