Created
July 15, 2016 07:03
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Least Square Line through Python
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| # python 3.0 | |
| import numpy as np | |
| import matplotlib.pyplot as mpl | |
| x = np.array([1, 2, 3, 4, 5]) | |
| y = np.array([2, 5, 3, 8, 7]) | |
| A = np.vstack([x, np.ones(len(x))]).T | |
| m, c = np.linalg.lstsq(A, y)[0] | |
| import matplotlib.pyplot as plt | |
| plt.plot(x, y, 'o', label='Original data', markersize=10) | |
| plt.plot(x, m*x + c, 'r', label='Fitted line') | |
| plt.legend() | |
| plt.show() |
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