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decimalpy-0.101
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decimalpy - A Decimal based version of numpy
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | decimalpy-0.101 |
| نام | decimalpy |
| نسخه کتابخانه | 0.101 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Niels Henrik Bruun |
| ایمیل نویسنده | niels.henrik.bruun@gmail.com |
| آدرس صفحه اصلی | http://www.bruunisejs.dk/PythonHacks/ |
| آدرس اینترنتی | https://pypi.org/project/decimalpy/ |
| مجوز | http://www.opensource.org/licenses/PythonSoftFoundation.php |
############################
decimalpy - long description
############################
In financial calculations it is recommended to use Decimal as a numerical base.
At the same time there is a need to have the same functionality as in `numpy <http://numpy.scipy.org>`_ or `R <http://www.r-project.org>`_.
So the goal of this package is to fill this gap, i.e. implementing Decimal based
structures to ease eg. financial calculations.
In the creation of the `finance <http://www.bruunisejs.dk/PythonHacks/rstFiles/200%20PythonHacks.html#the-finance-package>`_ package. it was decided to use Decimal
based structures.
There were 2 reasons for this:
#. In finance decimals matters and when other financial systems use the IEEE
standard 854-1987 the package finance need to do the same
#. For valuation purposes it is important that the financial calculations are
the exact same as those performed in eg spreadsheets who use the IEEE
standard 854-1987
`See also the chapter that examplifies the reasons for this. <http://www.bruunisejs.dk/PythonHacks/rstFiles/600%20On%20Python.html#arrays-for-financial-calculations>`_.
After a while it was clear that there were a lot of code with a life or purpose of
its own. And that was how the decimalpy package was born.
The Package `decimalpy <http://www.bruunisejs.dk/PythonHacks/rstFiles/200%20PythonHacks.html#the-decimalpy-package-for-python>`_ is inspired by `numpy <http://numpy.scipy.org>`_ and eg the vector concept of `The R package <http://www.r-project.org>`_.
The key difference from numpy is that in decimalpy the only number type is
decimal.
The Package contains:
* An n-dimensional array of decimals, a decimalvector
* An n-dimensional array of decimals where the keys can be of a specific
type and not just integers as in a decimalvector, a
SortedKeysDecimalValuedDict
* A decorator decimalvector_function that converts a simpel function into a
function that given a decimalvector as an argument returns a decimalvector
of function values. This makes it fairly easy to extend the number of
decimalvector functions. Also decimalvector functions makes it fairly easy
to use other packages like eg matplotlib
* A set of decimalvector (typically financial) functions
* Meta functions (functions on functions) for numerical first
(NumericalFirstOrder) and second (NumericalSecondOrder) order differention
* A meta function for finding the inverse value of a function
The package will be extended in order to support the needs in the package
`finance <http://www.bruunisejs.dk/PythonHacks/rstFiles/200%20PythonHacks.html#the-finance-package>`_ .
The decimal package is open source under the `Python Software Foundation
License <http://www.opensource.org/licenses/PythonSoftFoundation.php>`_
How to install
--------------
Just run setup.py install command. Or in windows use the windows installer.
Documentation, etc
------------------
Visit my `homepage <http://www.bruunisejs.dk/PythonHacks/>`_ to see more on how
to use and the research behind the code. It's a blog like place on finance, math
and scientific computing.
######################
Planned added contents
######################
The planned development so far is:
Planned added content of version 0.2:
Implementation of matrix and more decimalbased functions
Planned added content of version 0.3:
Implementation af a statistical test package
نحوه نصب
نصب پکیج whl decimalpy-0.101:
pip install decimalpy-0.101.whl
نصب پکیج tar.gz decimalpy-0.101:
pip install decimalpy-0.101.tar.gz