Search Results for "double-entry"
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Showing 38 open source projects for "double-entry"
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1
Minsky
System dynamics program with additional features for economics
...Models are defined using flowcharts on a drawing canvas (as are Matlab's Simulink, Vensim, Stella, etc). Minsky's unique feature is the "Godley Table", which uses double entry bookkeeping to generate stock-flow consistent models of financial flows. Minsky is good for demonstrating mathematics too, with the most "math-like" interface in system dynamics. Sign up to Minsky's Patreon page (for as little as $1 a month) at https://www.patreon.com/Ravelation/. This creates a user community, which SourceForge doesn't facilitate. -
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wxChaos
An interactive fractal explorer
...It includes classic complex-plane fractals, chaotic maps, numerical systems, and vector constructions. The collection ranges from Mandelbrot and Julia sets to Newton basins, the Burning Ship, the Henon and Logistic maps, the double pendulum, Sierpinski constructions, and the Koch snowflake. -
3
QInterference
Double slit experiment visualization tool loving multicore processors
QInterference can visualize batch of double slit experiments. It can also solve it in radial as well as Cartesian coordinates and moreover it can simulate functionality the phase-array radar with the main-bundle deflection. -
4
RootGraph
Graphic interface with algorithms to compute line and root graphs
Simple and intuitive graphic interface for graph theory with algorithms to compute line and root graphs of a given graph. - Double click to add a new node. - Left click a node and drag to change the position of the node. - Select a node with left click and add an edge with the next node you select. - Right click a node to delete it. Made in C++ using the wxWidgets library. -
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This project will be a project that will be used by Speleologist (cavers) to help aid in the mapping of the underground world. It will be simple at first.. only allowing the entry of survey (dist/azmith/V-angle) and give back a line plot..
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6
SparthMP
SparthMP is an ANSI-C math library for Multi-Precision calculations
SparthMP is an ANSI-C math library for Multi-Precision calculations, i.e. beyond float/double domain. It supports regulated accuracy of calculations. For algorithm design with this library you should have an understanding of rounding errors in math. -
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Javaluator
A java infix evaluator based on "Shunting Yard" algorithm.
Evaluate an arithmetic expression is as simple as: Double result = new DoubleEvaluator().evaluate("(e^3-1)*sin(pi/4)*ln(pi^2)"). But Javaluator provides you with much more ... Key features: - Functions support, including variable argument count. - Constants support: e, pi, etc ... - Variables support: Example sin(x) for x = pi/4. - Highly configurable: Reduce the built-in operator or function sets, define your own brackets -
8
mep4j
Math Expression Parser 4 Java
...Example: int num_variations = 100; int init_value = 10; MathParser mathParser = new MathParser(); mathParser.putVariable("x", init_value); mathParser.parse("2 + (7 - 5) * 3.14159 * pow(x, (12-10)) + sin(-3.141)"); for(int i = init_value; i < num_variations; ++i) { Double result = mathParser.execute(); mathParser.putVariable("x", i); } -
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einspline is a C library for the creation and evaluation of interpolating cubic basis splines (B-splines) in 1D, 2D, and 3D. It supports both uniform and nonuniform meshes, single and double precision, and real and complex data.
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10
SWire
A Stata plugin for connecting Stata with other software
...SWire can be interrogated on a local network and it accepts AJAX queries, thus enabling the development of web applications which provide the user with graphical user interfaces. For example, a web application running on a browser can interact with Stata on a local network; this application could be a data entry form or an automatic report. By providing a communication protocol, SWire makes it possible to connect Stata with many other applications for data exchange and basic interaction, thereby extending the capabilities of Stata. SWire requires Stata >=13. -
11
libnova
Celestial Mechanics Engine
libnova is a general purpose, double precision, celestial mechanics, astrometry and astrodynamics library. -
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DubCen Calculator
DUBCEN IS A FREE & OPEN SOURCE BROWSER BASED CALCULATOR AND CONVERTER
...Our logo represents what we do. 2*C simply means 2*100 (C=100 in roman numerals). Hope you understand it now! Our logo represents the calculators and converters that DubCen has. DubCen name comes from Double+Century. We aim to offer 200 high quality calculators with DubCen. Right now, we are nowhere even close to that. Thus, we need you! We want our users to decide what should the other 150 calculators be. DubCen is built to provide users a memorable calculation experience. -
13
DD-AVX
DD-AVX: Library of high-precision operations accelerated by AVX
DD-AVX: Library of high-precision operations accelerated by AVX. author's page http://www.slis.tsukuba.ac.jp/~s1530534/index.html e-mail hishinuma@slis.tsukuba.ac.jp Double-Double (DD) precision operations are used to reduce rounding errors and improve the convergence of Krylov subspace methods. This library has Double-Double precision operations accelerated by AVX and AVX2. AVX and AVX2 are intel SIMD instructions. They operate four double precision operation simultaneously. This library needs to merge "Lis" for DD precision iterative solvers. ... -
14
physicsmata
API for all possible cellular automata that work same at all angles
...Its parameters are sums of screen brightness (n color dimensions are optional) at concentric circles around each point, efficiently costing only the perimeter of those circles (instead of the area) because of the tree of squares. You can create any function, or to get started try the visual function editor where each click changes if a column is sine/sigmoid/half/double/exp/etc or which of the 0, 1, or 2 columns to the left are its params. Every click changes the patterns of waves seen on the left, which run that function you visually built at each point. -
15
LightSpMV
lightweight GPU-based sparse matrix-vector multiplication (SpMV)
...Performance evaluation reveals that on a single Tesla K40c GPU, LightSpMV is superior to both CUSP and cuSPARSE, with a speedup of up to 2.60 and 2.63 over CUSP, and up to 1.93 and 1.79 over cuSPARSE for single and double precision, respectively. -
16
GADfit
Global nonlinear optimization with automatic differentiation
...The model curves (fitting functions) can be of essentially arbitrary complexity. This includes any nonlinear combination of elementary and special functions, single and/or double integrals, and any control flow statement allowed by the programming language. See the latest user guide under Files. -
17
math lib for .NET. n-dim arrays, complex numbers, linear algebra, FFT, sorting, cells- and logical arrays as well as 3D plotting classes help developing algorithms on every platform supporting .NET. Sources from SVN, binaries: http://ilnumerics.net
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18
TIDES
Taylor series Integrator for Differential Equations
Taylor series Integrator for Differential EquationS. This software is developed by Profs. A. Abad, R. Barrio, F. Blesa and M. Rodriguez, (GME, University of Zaragoza, Spain). It consists on a C (Fortran) library, libTIDES, and a Mathematica package, MathTIDES. (MathTIDES requires Mathematica version >= 7.0) . Basic references: * A. Abad, R. Barrio, F. Blesa, M. Rodriguez, 2012. Algorithm 924: TIDES, a Taylor series Integrator for Differential EquationS, ACM TOMS. 39, no. 1, art. 5.... -
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fzcal
A calculator capable of complex arithmetics
A command line calculator capable of complex arithmetics. -
20
KeplerDB
Timeseries databases management system
KeplerDB is a temporal database to store time/value entries where the type of value could be integer, float/double, boolean and string. KeplerDB is dedicated to be scalable and to create clusters of server allowing the user to analyse and store massing amount of data to monitor systems like computers, clusters, building and captors or financial systems like markets and accounts. The user can use KeplerDB to make data analysis on enormous amount of data (statistics and modelling). -
21
Average
Command-line calculator of basic statistics.
...It works as a traditional Unix filter and can be used as part of those greatly useful chains of piped commands. It calculates average (arithmetic mean), standard deviation, median, total sum, minimum and maximum values present, and shows the number of processed numbers. Entry can by a text file (any column can be specified, default is the first) or directly in the terminal if Average is run without specifying a file -- in which case, input can be terminated by pressing Ctrl-D. It is possible to choose the output of a single statistic (just the value, no labels), instead of the fully detailed output (default). -
22
JBernstein
JBernstein: Exploration techniques for non-linear constraint checking
...Concerning performance, the tool enables to check all examples in the PVS Bernstein testsuite within a second, which can be an order of magnitude faster than some other tools such as QEPCAD or REDLOG. Although JBernstein uses double, it offers automatic error-estimation capabilities (experimental) so that the generated result is correct (the solver may return unknown when the error-estimate is too large) -
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VisualMathEditor
LaTeX, AscciMath and MathML editor developed in Javascript and HTML
...VisualMathEditor is a LaTeX, AsciiMath and MathML editor developed in Javascript and HTML. It operates independently on the web or locally. It has many features and menus that help the equation-entry and allow their posting and backup. Formulas : - math physics symbols - operation symbols - logical symbols - arrows symbols - relation symbols - bracket symbols - differential symbols - functions symbols - integral symbols - matrix symbols - sqrt & frac symbols - sub & sup symbols - sum & prod symbols - greek characters -
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Fractions C++
C++ library adds mathematical fractions. Example: 1/3, 4/7, 49/357...
C++ library adds mathematical fractions. Example: 1/3, 4/7, 49/357... Library can: 1) Create fractions from or 2 "long long", or double, or "long long". 2) Round. 3) Methematic operators +, -, *, /, +=, -=, *=, /=. 4) Logic operators <, >, ==, !=, <=, >=. 5) Operator %. 6) Pow and fast pow. 7) Module: |-a| = a, |b| = b. 8) Input / output stream. 9) Convert in double and string. And other... -
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LIME
LIME is a software tool for creating multiphysics simulation codes.
The Lightweight Integrating Multiphysics Environment for coupling codes (LIME) is a small software package for creating multiphysics simulation codes. LIME is intended to be especially useful when separate computer codes (which may be written in any standard computer language) already exist to solve di fferent parts of a multiphysics problem. LIME provides the key high-level software (written in C++), a well defi ned approach (with example templates), and interface requirements to enable the...
