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silgon/understanding_Ax_cones.md

Last active July 22, 2022 06:27
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understanding_Ax_cones.py
# Ax for all x>=0
import matplotlib.pyplot as plt
import numpy as np
x1 = x2 = np.linspace(0, 1, 10)
X1, X2 = np.meshgrid(x1, x2)
x = np.c_[X1.ravel(), X2.ravel()].T
A = np.array([[.5, 3], [1, 1]])
y = A@x
plt.scatter(x[0], x[1])
plt.scatter(y[0], y[1])
plt.show()
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