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21 lines
388 B
Python
21 lines
388 B
Python
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"""
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Various useful utilities (duh)
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"""
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import numpy as np
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def sampled_time(sample_rate=1, start=0, end=1, offset=0):
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return offset + np.arange(start, end, 1/sample_rate)
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def rot_vector(phi1=0.12345):
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"""
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Return a unit vector rotated by phi radians.
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"""
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unit = np.array([
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phi1,
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phi1 - np.pi/2
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])
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return np.cos(unit)
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