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Asked: 2026-05-22T12:52:54+00:00

How do I dump a 2D NumPy array into a csv file in a

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How do I dump a 2D NumPy array into a csv file in a human-readable format?

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  1. Editorial Team

    numpy.savetxt saves an array to a text file.

    import numpy
a = numpy.asarray([ [1,2,3], [4,5,6], [7,8,9] ])
numpy.savetxt("foo.csv", a, delimiter=",")
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