aba6a9dcf7
All these changes are to make the book easier to run from cloud.sagemath.org. You can share individual notebooks there, but not entire projects.By putting everything under code at the user only needs to grab that one directory. More on sagemath later, if I decide to pursue that as a delivery mechanism...
50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Created on Thu Jul 9 13:02:32 2015
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@author: Roger Labbe
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"""
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import filterpy.stats as stats
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import matplotlib.pyplot as plt
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from matplotlib.patches import Ellipse
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import numpy as np
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def plot1():
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P = np.array([[6, 2.5], [2.5, .6]])
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stats.plot_covariance_ellipse((10, 2), P, facecolor='g', alpha=0.2)
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def plot2():
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P = np.array([[6, 2.5], [2.5, .6]])
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circle1=plt.Circle((10,0),3,color='#004080',fill=False,linewidth=4, alpha=.7)
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ax = plt.gca()
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ax.add_artist(circle1)
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plt.xlim(0,10)
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plt.ylim(0,3)
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P = np.array([[6, 2.5], [2.5, .6]])
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stats.plot_covariance_ellipse((10, 2), P, facecolor='g', alpha=0.2)
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def plot3():
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P = np.array([[6, 2.5], [2.5, .6]])
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circle1=plt.Circle((10,0),3,color='#004080',fill=False,linewidth=4, alpha=.7)
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ax = plt.gca()
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ax.add_artist(circle1)
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plt.xlim(0,10)
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plt.ylim(0,3)
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plt.axhline(3, ls='--')
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stats.plot_covariance_ellipse((10, 2), P, facecolor='g', alpha=0.2)
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def plot4():
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P = np.array([[6, 2.5], [2.5, .6]])
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circle1=plt.Circle((10,0),3,color='#004080',fill=False,linewidth=4, alpha=.7)
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ax = plt.gca()
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ax.add_artist(circle1)
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plt.xlim(0,10)
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plt.ylim(0,3)
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plt.axhline(3, ls='--')
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stats.plot_covariance_ellipse((10, 2), P, facecolor='g', alpha=0.2)
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plt.scatter([11.4], [2.65],s=200)
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plt.scatter([12], [3], c='r', s=200)
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plt.show() |