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The query [[Concept:Mathematics]] was answered by the SMWSQLStore3 in 0.0205 seconds.


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BigMath false
Based partly on Knuth's Seminumerical Algorithms and written in C, BigMath aims to be light-weight and fast. Its original implementation was for use within a kernel extension - thus size and speed were essential. BigMath supports only integer math, including add, sub, mul, div, mod, modpow, modinv, pow, gcd, factorial, radix conversion, scientific notation and various comparisons.
Bitwise enums false
A very simple, 0-overhead, and yet type-safe 1-file library for doing bitwise operations between masks represented by enums. Please note: This library has been subsumed into MiLi and is no longer being maintained individually.
C-Graph true
GNU C-Graph is a tool for visualizing the mathematical operation of convolution underlying natural phenomena susceptible to analysis in terms of engineering signals and systems theory. "C-Graph" is an abbreviation for "Convolution Graph". The package is derived from the BSc. Honours dissertation in Electrical Engineering "Interactive Computer Package Demonstrating: Sampling Convolution and the FFT", Adrienne Gaye Thompson, University of Aberdeen (1983). The package computes the linear convolution of two signals in the time domain then compares their circular convolution by demonstrating the convolution theorem. Each signal is modelled by a register of discrete values simulating samples of a signal, and the discrete Fourier transform (DFT) computed by means of the Fast Fourier Transform (FFT). GNU C-Graph is interactive, prompting the user to enter character or numerical values from the keyboard, dispensing with the learning curve for writing code. The software will be useful to students of signals and systems theory. C-Graph is written in contemporary Fortran. You can find pre-GNU development versions at: <http://codeartnow.com/code/download/c-graph-1/c-graph-version-2-preview>. Adrienne Gaye Thompson is the sole author of GNU C-Graph and looks forward to sharing further development with the FLOSS community.
Calc false
Calc is an arbitrary precision arithmetic system that uses a C-like language. It's useful as a calculator, an algorithm prototype, and as a mathematical research tool. More importantly, calc provides a machine-independent means of computation. Its features include:
  • Arbitrary precision integers and floating-point, fractions and complex values
  • Logarithm, numeric, trig, hyperbolic functions
  • C-like syntax
  • calc shell scripts, resource files, linkable program library
  • User defined finctions and function loading
  • Over 283 built-in functions plus hooks for built-in custom extensions
  • Arrays, lists, dynamic strings, matrices, associate arrays, objects
  • Numeric, relational, boolean and variable access operators
  • Extensive string and binary block memory builtin functions
  • Matrix inversion, determinant, and other matrix operations
  • Fast and cryptographic pseudo-random numbers, cryptographic hashes
  • Factoring, primality tests, pi(x), multiplicative inverse, modular exp
  • Bernoulli numbers, Euler numbers, Catalan numbers
  • Uses REDC, splint-point and other high speed multi-precision algorithms
  • Extensive regression test suite
  • Resource functions: large prime tests, factoring, quaternions, etc.
  • File I/O, multi-precision printf and scanf, stdio-like functions
  • GNU Readline, user & system startup scripts, Emacs-style line editing
  • Online help
Choose false
Choose is a program that computes permutations and choose functions. It does so quickly and effectively. Choose falls into the category of programs that are simple but are useful and for some reason do not exist.
Cl-ana false
cl-ana is a library of modular utilities for reasonably high performance data analysis & visualization using Common Lisp. (Reasonably means I have to be able to use it for analyzing particle accelerator data). The library is made of various sublibraries and is designed in a very bottom-up way so that if you don't care about some feature you don't have to load it. The functionality support so far are
  • Tabular data analysis: Read-write of large datasets stored in HDF5 files are supported, along with ntuple datasets, CSVs, and in-memory data tables. Users can add their own table types by defining 4 methods and extending the table CLOS type.
  • Histograms: Binned data analysis is supported with both contiguous and sparse histogram types; functional interface is provided via map (which allows reduce/fold) and filter.
  • Plotting: Uses gnuplot for plotting dataset samples, plain-old lisp functions, histograms, strings-as-formulae, and anything else the user wishes to add via methods on a couple of generics.
  • Fitting: Uses GSL for non-linear least squares fitting. Uses plain-old lisp functions as the fit functions and can fit against dataset samples, histograms, and whatever the user adds.
  • Generic mathematics: CL doesn't provide extendable math functions, so cl-ana provides these as well as a convenient mechanism (a single function) for using these functions instead of the non-extendable versions. Already included are error propogation and quantities (values with units, e.g. 5 meters) as well as a GNU Octave-style handling of sequences (e.g. (+ (1 2) (3 4)) --> (4 6)).
Collab false
Multiplatform raster graphical editor enabling simultaneous drawing between users. Project including several sub projects as server, painting framework, network library, desktop application and protocol design and documentation.
Coq false
A proof done with Coq is mechanically checked by the machine. In particular, Coq allows:
  • to define functions or predicates,
  • to state mathematical theorems and software specifications,
  • to develop interactively formal proofs of these theorems,
  • to check these proofs by a relatively small certification "kernel".
CrocoPat false
'CrocoPat' is a tool for querying and manipulating relations. It is easy to use because of its simple query and manipulation language based on predicate calculus and its simple file format for relations. It is efficient because it internally represents relations as binary decision diagrams, a data structure that is well-known as a compact representation of large relations. CrocoPat is general, because it manipulates not only graphs (i.e. binary relations), but n-ary relations.
Ctioga2 false
ctioga2 is a plotting program in the spirit of gnuplot. It can be used either directly on command-line or writing command files (or a mix of both). It produces publication-quality PDF files. It is based on the Tioga plotting library.


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