15 lines
362 B
Python
15 lines
362 B
Python
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"""This module provides utility functions."""
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def norm(vector_or_matrix):
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"""Calculate the Frobenius or Euclidean norm of a matrix or vector.
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Args:
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vector_or_matrix (Vector/Matrix): the entries whose squares
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are to be summed up
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Returns:
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norm (float)
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"""
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return math.sqrt(sum(x ** 2 for x in vector_or_matrix))
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