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- from random import uniform
- import random
- import math
- n = 5
- xMin, yMin = 0, 0
- xMax, yMax = 5, 5
- xSum = 0
- ySum = 0
- coordinates = []
- random.seed(42)
- for i in range(n):
- x = uniform(xMin, xMax)
- y = uniform(yMin, yMax)
- xSum += x
- ySum += y
- coordinates.append((x,y))
- center = (float(xSum) / n, float(ySum) / n)
- cx, cy = center
- pointCoords = ""
- for p in coordinates:
- px, py = p
- newP = "(%.2f,%.2f)," % (px, py)
- pointCoords = newP + pointCoords
- deltaY = cy-py
- deltaX = cx-px
- length = (deltaY**2+deltaX**2)**0.5
- sinAlpha = deltaY/length
- cosAlpha = deltaX/length
- print("\draw[->] (%.2f,%.2f) -- (%.2f,%.2f);" % (px, py, px+cosAlpha*length*0.80, py+sinAlpha*length*0.80))
- print("\\node[circle,inner sep=1pt,fill] at (%.2f,%.2f) {};" % (cx, cy))
- print("\\foreach \point in {" + pointCoords + "}{")
- print("\\node[dot] at \point {};")
- print("}")
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