bundles / numpy 2.5.0.dev0+git20251130.2de293a / numpy / ma / extras / isin

function

`numpy.ma.extras:isin`

source: build-install/usr/lib/python3.14/site-packages/numpy/ma/extras.py:1434

Signature

def isin(element, test_elements, assume_unique = False, invert = False)

Summary

Calculates element in test_elements, broadcasting over element only.

Extended Summary

The output is always a masked array of the same shape as element. See numpy.isin for more details.

Examples

import numpy as np
element = np.ma.array([1, 2, 3, 4, 5, 6])
test_elements = [0, 2]
np.ma.isin(element, test_elements)

✓

masked_array(data=[False,  True, False, False, False, False],
             mask=False,
       fill_value=True)

See also

in1d: Flattened version of this function.
numpy.isin: Equivalent function for ndarrays.

Aliases

numpy.ma.isin