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Matching of Numpy arrays

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Match Arrays

match_arrays lets you match the values of two NumPy arrays:

a = np.arange(100)
b = np.random.permutation(a)
idx_a, idx_b = match_arrays(a, b)
assert(np.all(a[idx_a] == b[idx_b]))

This allows you to perform a database-like join on NumPy arrays.

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