Nabla is an algorithmic differentiator for mathematical functions.
Just like the mathematical Nabla operator transforms a function into its differential, the Nabla library transforms an existing java object implementing a function
double f(double) { ... }
into another java object that in
... [More] addition to computing the value of f like the original one also computes its derivative. The created object is built by applying the classical exact differentiation rules to the function underlying expressions. There are no approximations and no step sizes.
Nabla uses bytecode transformation to create the differentiated class and instances [Less]
Yeppp! is a high-performance SIMD-optimized mathematical library for C/C++, Java, .Net, and FORTRAN. Yeppp! provides high-performance SIMD-accelerated implementations of operations on vectors, e.g. vector addition, dot product, array summation and vector log/exp/sin/cos.
This computer program is an exact emulation of a toy which was sold years ago called Magic Designer. There are 4 versions:
Cross platform (Windows and Linux) written in C++ using FLTK and AGG for graphics.
Android version in Google Play Store.
A 2009 MS Windows one written in Euphoria and C
... [More]
written for the Web for people in HTML/JavaScript/PHP on http://www.akatz712.com/ [Less]
FFC works as a compiler for multilinear forms by generating code (C or C++) for the evaluation of a multilinear form given in mathematical notation. This new approach to form evaluation makes it possible to combine generality with efficiency; the form can be given in mathematical notation and the
... [More] generated code is as efficient as hand-optimized code.
FFC is a component of the FEniCS project, see http://www.fenicsproject.org. [Less]
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