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9 lines
285 B
Python
9 lines
285 B
Python
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def dot(A, b):
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"""Dot product between a 2D matrix and a 1D vector"""
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return [sum([aij * bj for aij, bj in zip(ai, b)]) for ai in A]
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def allclose(a, b, tol=1e-7):
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"""Are all elements of a vector close to one another"""
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return all([abs(ai - bi) < tol for ai, bi in zip(a, b)])
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