This is a pre-release version (2.5.0.dev0+git20251130.2de293a). Go to latest (2.4.4)
{ } Raw JSON

bundles / numpy 2.5.0.dev0+git20251130.2de293a / numpy / polynomial / _polybase / ABCPolyBase / identity

classmethod

numpy.polynomial._polybase:ABCPolyBase.identity

source: build-install/usr/lib/python3.14/site-packages/numpy/polynomial/_polybase.py :1079

Summary

Identity function.

Extended Summary

If p is the returned series, then p(x) == x for all values of x.

Parameters

domain : {None, array_like}, optional

If given, the array must be of the form [beg, end], where beg and end are the endpoints of the domain. If None is given then the class domain is used. The default is None.

window : {None, array_like}, optional

If given, the resulting array must be if the form [beg, end], where beg and end are the endpoints of the window. If None is given then the class window is used. The default is None.

symbol : str, optional

Symbol representing the independent variable. Default is 'x'.

Returns

new_series : series

Series of representing the identity.

Aliases

  • numpy.polynomial._polybase.ABCPolyBase.identity