numpy.ma.append
-
numpy.ma.append(a, b, axis=None)
[source] -
Append values to the end of an array.
New in version 1.9.0.
Parameters: -
a : array_like
-
Values are appended to a copy of this array.
-
b : array_like
-
These values are appended to a copy of
a
. It must be of the correct shape (the same shape asa
, excludingaxis
). Ifaxis
is not specified,b
can be any shape and will be flattened before use. -
axis : int, optional
-
The axis along which
v
are appended. Ifaxis
is not given, botha
andb
are flattened before use.
Returns: -
append : MaskedArray
-
A copy of
a
withb
appended toaxis
. Note thatappend
does not occur in-place: a new array is allocated and filled. Ifaxis
is None, the result is a flattened array.
See also
-
numpy.append
- Equivalent function in the top-level NumPy module.
Examples
>>> import numpy.ma as ma >>> a = ma.masked_values([1, 2, 3], 2) >>> b = ma.masked_values([[4, 5, 6], [7, 8, 9]], 7) >>> ma.append(a, b) masked_array(data=[1, --, 3, 4, 5, 6, --, 8, 9], mask=[False, True, False, False, False, False, True, False, False], fill_value=999999)
-
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Licensed under the 3-clause BSD License.
https://docs.scipy.org/doc/numpy-1.17.0/reference/generated/numpy.ma.append.html