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Adjust Python code to follow PEP8

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Martin Thoma 2015-11-20 23:12:22 +01:00
parent b36776fc27
commit de1ad26035
14 changed files with 349 additions and 311 deletions
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33
documents/math-minimal-distance-to-cubic-function/calcMinDist.py
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@ -2,31 +2,36 @@
import numpy
class Point:
"""Represents a point in 2D."""
def __init__(self, x, y):
self.x = x
self.y = y
def euclideanDist(p1, p2):
def euclidean_dist(p1, p2):
"""Euclidean distance of two 2D points."""
from math import sqrt
return sqrt((p1.x-p2.x)**2 + (p1.y-p2.y)**2)
def getMinDist(p1, precision=0.001, startX=0, endX=3):
def get_min_dist(p1, precision=0.001, start_x=0, end_x=3):
"""Get x of point on (x,x^2) that has minimal distance to given Point p."""
minDist = -1
for x in numpy.arange(startX, endX, precision):
min_dist = -1
for x in numpy.arange(start_x, end_x, precision):
p2 = Point(x, x**2)
dist = euclideanDist(p1, p2)
if minDist == -1 or dist < minDist:
minDist = dist
return minDist
dist = euclidean_dist(p1, p2)
if min_dist == -1 or dist < min_dist:
min_dist = dist
return min_dist
"""for i in numpy.arange(0, 3, 0.01):
minDist = getMinDist(Point(0, i))
if abs(i-minDist) < 0.005:
print(i, minDist)"""
min_dist = get_min_dist(Point(0, i))
if abs(i-min_dist) < 0.005:
print(i, min_dist)"""
print(getMinDist(Point(0,4.25), precision=0.001, startX=0, endX=3))
#print(euclideanDist(Point(0,5),Point(2, 2**2)))
print(get_min_dist(Point(0, 4.25), precision=0.001, start_x=0, end_x=3))
# print(euclidean_dist(Point(0,5),Point(2, 2**2)))
#print(getMinDist(5, 0.00001, 2, 3))
# print(get_min_dist(5, 0.00001, 2, 3))