argmax change dafault value for multiple maxima
def my_argmax(a):
rows = np.where(a == a.max(axis=1)[:, None])[0]
rows_multiple_max = rows[:-1][rows[:-1] == rows[1:]]
my_argmax = a.argmax(axis=1)
my_argmax[rows_multiple_max] = -1
return my_argmaxCopyright © 2021 Codeinu
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