Theano is a Python library that allows you to define, optimize, and evaluate mathematical expressions involving multi-dimensional arrays efficiently. Theano features:
* tight integration with numpy – Use numpy.ndarray in Theano-compiled functions.
* transparent use of a GPU – Perform
... [More] data-intensive calculations up to 140x faster than with CPU.(float32 only)
* efficient symbolic differentiation – Theano does your derivatives for function with one or many inputs.
* speed and stability optimizations – Get the right answer for log(1+x) even when x is really tiny.
* dynamic C code generation – Evaluate expressions faster.
* extensive unit-testing and self-verification – Detect and diagnose many types of mistake.
github repository: http://github.com/Theano/Theano [Less]
A SPICE-like electronic circuit simulator and library written in Python.
Supported simulations:
Numeric simulations:
- Operating point, with guess computation to speed up the solution.
- DC analysis.
- AC analysis.
- Transient analysis, available differentiation formulas: implicit Euler
... [More], trapezoidal, gear orders from 2 to 5
- Periodic steady state analysis of non-autonomous circuits, time domain shooting and brute-force algorithms.
- Pole-Zero.
Symbolic simulation:
- small signal analysis
- extraction of transfer functions and singularities [Less]
This package provides some functions to learn engineering reliability at university. One can build components, put them together to build a system and evaluate its reliability, maintainability, availability, the Mean-Time-To-Failure, etc.
This package also provides functions to describe a system by a Markov process.
Java Computer Algebra System. Features: math expression parser and evaluating API (jsr223), generic nested lists (i.e trees) API, pattern matching. Moved to http://code.google.com/p/symja/
The finite element method (FEM) package SyFi is a C++ library built on top of the symbolic math library GiNaC. The name SyFi stands for Symbolic Finite Elements. The package provides polygonal domains, polynomial spaces, and degrees of freedom as symbolic expressions that are easily manipulated.
... [More] This makes it easy to define finite elements and variational forms. These elements and forms are then used to generate efficient C++ code.
SyFi is a component of the FEniCS project, see http://www.fenicsproject.org. [Less]
Wise is an experimental math interface and very simple computer algebra system based on the Pure term rewriting language.
The current development version runs on top of the stack Django, Gunicorn, jQuery, and Pure.
FileUniq identifies duplicate files, and optionally removes them or replaces them with hard or soft links. It is designed to work well with heavily hard-linked cp -al / rsync backups. For more information please see http://fileuniq.sourceforge.net
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