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توضیحات

Fast, transparent first- and second-order automatic differentiation; loving fork of ad by Abraham Lee / tisimst@gmail.com

ویژگی	مقدار
سیستم عامل	-
نام فایل	adce-1.3.3.2
نام	adce
نسخه کتابخانه	1.3.3.2
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	Edward Burnell
ایمیل نویسنده	nburnell@gmail.com
آدرس صفحه اصلی	http://pythonhosted.org/adce
آدرس اینترنتی	https://pypi.org/project/adce/
مجوز	BSD License

``ad`` Package Documentation ============================ .. image:: https://travis-ci.org/tisimst/ad.png?branch=master Overview -------- The ``ad`` package allows you to **easily** and **transparently** perform **first and second-order automatic differentiation**. Advanced math involving trigonometric, logarithmic, hyperbolic, etc. functions can also be evaluated directly using the ``admath`` sub-module. **All base numeric types are supported** (``int``, ``float``, ``complex``, etc.). This package is designed so that the underlying numeric types will interact with each other *as they normally do* when performing any calculations. Thus, this package acts more like a "wrapper" that simply helps keep track of derivatives while **maintaining the original functionality** of the numeric calculations. From the Wikipedia entry on `Automatic differentiation`_ (AD): "AD exploits the fact that every computer program, no matter how complicated, executes a sequence of elementary arithmetic operations (addition, subtraction, multiplication, division, etc.) and elementary functions (exp, log, sin, cos, etc.). By applying the chain rule repeatedly to these operations, derivatives of arbitrary order can be computed automatically, and accurate to working precision." See the `package documentation`_ for details and examples. Main Features ------------- - **Transparent calculations with derivatives: no or little modification of existing code** is needed, including when using the `Numpy`_ module. - **Almost all mathematical operations** are supported, including functions from the standard math_ module (sin, cos, exp, erf, etc.) and cmath_ module (phase, polar, etc.) with additional convenience trigonometric, hyperbolic, and logarithmic functions (csc, acoth, ln, etc.). Comparison operators follow the **same rules as the underlying numeric types**. - **Real and complex** arithmetic handled seamlessly. Treat objects as you normally would using the `math`_ and `cmath`_ functions, but with their new ``admath`` counterparts. - **Automatic gradient and hessian function generator** for optimization studies using `scipy.optimize`_ routines with ``gh(your_func_here)``. - **Compatible Linear Algebra Routines** in the ``ad.linalg`` submodule, similar to those found in NumPy's ``linalg`` submodule, that are not dependent on LAPACK. There are currently: a. Decompositions 1. ``chol``: Cholesky Decomposition 2. ``lu``: LU Decomposition 3. ``qr``: QR Decomposition b. Solving equations and inverting matrices 1. ``solve``: General solver for linear systems of equations 2. ``lstsq``: Least-squares solver for linear systems of equations 3. ``inv``: Solve for the (multiplicative) inverse of a matrix Installation ------------ You have several easy, convenient options to install the ``ad`` package (administrative privileges may be required): 1. Download the package files below, unzip to any directory, and run ``python setup.py install`` from the command-line. 2. Simply copy the unzipped ``ad-XYZ`` directory to any other location that python can find it and rename it ``ad``. 3. If ``setuptools`` is installed, run ``easy_install --upgrade ad`` from the command-line. 4. If ``pip`` is installed, run ``pip install --upgrade ad`` from the command-line. 5. Download the *bleeding-edge* version on GitHub_ Contact ------- Please send **feature requests, bug reports, or feedback** to `Abraham Lee`_. Acknowledgements ---------------- The author expresses his thanks to : - `Eric O. LEBIGOT (EOL)`_, author of the `uncertainties`_ package, for providing code insight and inspiration - Stephen Marks, professor at Pomona College, for useful feedback concerning the interface with optimization routines in ``scipy.optimize``. - Wendell Smith, for updating testing functionality and numerous other useful function updates - Jonathan Terhorst, for catching a bug that made derivatives of logarithmic functions (base != e) give the wrong answers. - GitHub user ``fhgd`` for catching a mis-calculation in ``admath.atan2`` .. _NumPy: http://numpy.scipy.org/ .. _math: http://docs.python.org/library/math.html .. _cmath: http://docs.python.org/library/cmath.html .. _Automatic differentiation: http://en.wikipedia.org/wiki/Automatic_differentiation .. _Eric O. LEBIGOT (EOL): http://www.linkedin.com/pub/eric-lebigot/22/293/277 .. _uncertainties: http://pypi.python.org/pypi/uncertainties .. _scipy.optimize: http://docs.scipy.org/doc/scipy/reference/optimize.html .. _Abraham Lee: mailto:tisimst@gmail.com .. _package documentation: http://pythonhosted.org/ad .. _GitHub: https://github.com/tisimst/ad

نحوه نصب

نصب پکیج whl adce-1.3.3.2:

pip install adce-1.3.3.2.whl

نصب پکیج tar.gz adce-1.3.3.2:

pip install adce-1.3.3.2.tar.gz