some new features
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import numpy as np
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def rainbow(n):
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"""
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Returns a list of colors sampled at equal intervals over the spectrum.
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Parameters
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----------
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n : int
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The number of colors to return
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Returns
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-------
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R : (n,3) array
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An of rows of RGB color values
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Notes
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-----
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Converts from HSV coordinates (0, 1, 1) to (1, 1, 1) to RGB. Based on
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the Sage function of the same name.
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"""
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from matplotlib import colors
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R = np.ones((1,n,3))
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R[0,:,0] = np.linspace(0, 1, n, endpoint=False)
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#Note: could iterate and use colorsys.hsv_to_rgb
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return colors.hsv_to_rgb(R).squeeze()
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