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pyerf is a pure-Python implementation of the error function and
inverse error function using the same functions that SciPy_ uses (namely
parts of the Cephes math library, cprob/ndtr.c_ and cprob/ndtri.c_).
This is a useful package for when you need to calculate some error fuctions but you don't want to install all of the SciPy_/NumPy_ stuff.
You can import the module:
.. code-block:: python
from pyerf import pyerf pyerf.erfinv(0.5) # 0.476936... pyerf.erf(0.5) # 0.5204998... pyerf.erfc(0.5) # 0.4795001...
or the package:
.. code-block:: python
import pyerf pyerf.erfinv(0.5) # 0.476936... pyerf.erf(0.5) # 0.5204998... pyerf.erfc(0.5) # 0.4795001...
or only a specific function:
.. code-block:: python
from pyerf import erfinv as inverse_error_function inverse_error_function(0.5) # 0.476936...
and lastly, you can even use import * (but that's no longer considered
very Pythonic as it pollutes the namespace):
.. code-block:: python
from pyerf import * erfinv(0.5) # 0.476936... erf(0.5) # 0.5204998... erfc(0.5) # 0.4795001...
See CHANGELOG.md_.
.. Images and Links
.. |travis| image:: https://travis-ci.org/dougthor42/PyErf.svg?branch=master :target: https://travis-ci.org/dougthor42/PyErf :alt: Travis-CI (Linux, Max)
.. |pypi| image:: https://img.shields.io/pypi/v/pyerf.svg :target: https://pypi.python.org/pypi/pyerf/ :alt: Latest PyPI version
.. |wheels| image:: https://img.shields.io/pypi/wheel/pyerf.svg :target: https://pypi.python.org/pypi/pyerf/ :alt: Python Wheels
.. |pythonversion| image:: https://img.shields.io/pypi/pyversions/pyerf.svg :target: https://pypi.python.org/pypi/pyerf/ :alt: Supported Python Versions
.. |docs| image:: https://img.shields.io/badge/docs-pythonhosted-brightgreen.svg :target: https://pythonhosted.org/pyerf :alt: Documentation Status
.. _CHANGELOG.md: https://github.com/dougthor42/PyErf/blob/master/CHANGELOG.md
.. _cprob/ndtr.c: https://github.com/jeremybarnes/cephes/blob/master/cprob/ndtr.c
.. _cprob/ndtri.c: https://github.com/jeremybarnes/cephes/blob/master/cprob/ndtri.c
.. _SciPy: https://www.scipy.org/
.. _NumPy: http://www.numpy.org/
FAQs
A pure-Python implementation of the error function and inverse error function.
We found that pyerf demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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