Search Results for "graph"
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Showing 150 open source projects for "graph"
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SuiteSparseGraphBLAS.jl
Sparse, General Linear Algebra for Graphs
A fast, general sparse linear algebra and graph computation package, based on SuiteSparse:GraphBLAS. -
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PyTensor
Python library for defining and optimizing mathematical expressions
...PyTensor is based on Theano, which has been powering large-scale computationally intensive scientific investigations since 2007. A hackable, pure-Python codebase. Extensible graph framework is suitable for rapid development of custom operators and symbolic optimizations. Implements an extensible graph transpilation framework that currently provides compilation via C, JAX, and Numba. Based on one of the most widely-used Python tensor libraries: Theano. -
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OR-Tools - Google Optimization Tools
Google's software suite for combinatorial optimization
Google Optimization Tools, also known as OR-Tools is an open-source, fast and portable software suite for solving combinatorial optimization problems. These encompass problems in vehicle routing, flows, integer and linear programming, and constraint programming. This suite contains a number of solvers, namely: a constraint programming solver; a linear programming solver; wrappers for commercial solvers (like Gurobi or CPLEX) and other open source solvers (SCIP, GLPK, etc.); among others.... -
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PyTorch Geometric
Geometric deep learning extension library for PyTorch
It consists of various methods for deep learning on graphs and other irregular structures, also known as geometric deep learning, from a variety of published papers. In addition, it consists of an easy-to-use mini-batch loader for many small and single giant graphs, a large number of common benchmark datasets (based on simple interfaces to create your own), and helpful transforms, both for learning on arbitrary graphs as well as on 3D meshes or point clouds. We have outsourced a lot of... -
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slgraph
a graph format and library for sublinear graph algorithms
slgraph consists of graph formats suitable for sublinear-time graph algorithms and libraries for reading and writing these formats. -
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rw
rw calculates rank-width and rank-decompositions.
...It is based on ideas from "Computing rank-width exactly" by Sang-il Oum, "Sopra una formula numerica" by Ernesto Pascal, "Generation of a Vector from the Lexicographical Index" by B.P. Buckles and M. Lybanon and "Fast additions on masked integers" by Michael D. Adams and David S. Wise. On 2009's computers it works quite well up to graph sizes of about 28 nodes. Runtime and memory usage are exponential in the graph size. -
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Social Network Visualizer
Social Network Analysis and Visualization software
Visit our new site: http://socnetv.org Social Network Visualizer (SocNetV) is a social network analysis and visualization application. You can draw a social network (graph/digraph) or load an existing one (GraphML, UCINET, Pajek, etc), compute cohesion, centrality, community and structural equivalence metrics and apply various layout algorithms based on actor centrality or prestige scores (i.e. Eigenvector, Betweenness) or on dynamic models (i.e. Kamada-Kawai spring-embedder) -
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JPlotter
Plotter for math functions y=f(x)
...Some of the special features are plotting of the derivatives, area calculation, plotting of directional fields of differential equations and plotting of phase and amplitude graph of complex functions. -
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Advanced Trigonometry Calculator
Precision Trigonometry: Advanced Calculator for Complex Math
Advanced Trigonometry Calculator is equipped with a user-friendly interface that allows for easy input of problems and instant computation. Professionals such as engineers who need to perform advanced trigonometric calculations in their work will find this tool extremely useful. ATC Online Alpha: https://advantrigoncalc.sourceforge.io/atc/ More info by clicking below: https://advantrigoncalc.sourceforge.io/ Advanced Trigonometry Calculator was only and always only developed by... -
Grafana: The open and composable observability platformGrafana is the open source analytics & monitoring solution for every database.
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Foreval
Foreval is parser & compiler of mathematical expressions
...Сurrent version ( v. 9.1.1.393): Examples for Delphi, Lazarus , GCC (Codeblock), (Builder, MSVC - in b.366). Demo: Fractals Julia; Visualizing of functions of complex variable - complex domain coloring , graph plotting & finding roots F(x), Fourier series. Old version (v.8.4.17.250): Examples for Delphi, FPC, Builder, MSVC , GCC (Codeblock) , VB6, FreeBasic. Download files: Foreval_all.7z (Foreval v9 + Foreval v8 + ForevalZ + all examples + doc) - recommend ForevalG9.7z (Foreval v9 + examples v9+ doc) (math parser, math expression parser, evaluate formula, evaluator, symbolic, differentiation, derivative , complex) -
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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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Symja Java Computer Algebra
Symja - Java computer algebra language & symbolic math library
Symja - computer algebra language and Java symbolic math library. Moved to https://github.com/axkr/symja_android_library. The Android App can be found at: https://github.com/axkr/symja-example -
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JGraphT is a free Java class library that provides mathematical graph-theory objects and algorithms. JGraphT supports a rich gallery of graphs and is designed to be powerful, extensible, and easy to use.
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Algorithms Math Models
MATLAB implementations of algorithms
...The repository gathers implementations and case studies across many topics commonly used in contest solutions: optimization (linear, integer, goal and nonlinear programming), heuristic and metaheuristic methods (simulated annealing, genetic algorithms, immune algorithms), neural networks and time-series methods, interpolation and regression, graph theory, cellular automata, grey systems, fuzzy models, partial/ordinary differential equations, and multivariate analysis, among others. The codebase is organized into topic folders (e.g., HeuristicAlgorithm, IntegerProgramming, NeuralNetwork, TimeSeries) and includes dozens of worked examples and links to textbook/source materials that the author used to assemble the collection. -
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Notepad++ GraphBuilder plugin
Building math graphs in notepad++
...Please note that the plugin is intended for 32-bit version of Notepad++ only. The "deriv" function is implemented. For example, the following formula: deriv ("sin x", "x", 0.01) draws derivative of "sin x" function graph using "x" as x variable. Third parameter is optional and specifies the accuracy. The latest version is powered by high-precision mode which makes calculation the overlaps much more accurate. Polar coordinate system max angle is now adjustable. The plugin builds any number of math graphs, locates its intersections and extremes, makes the report. ... -
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zshg
constant-time graph connectivity test
zshg is an implementation of a constant-time connectivity test for graphs. It is based on "Property Testing in Bounded Degree Graphs" by Oded Goldreich and Dana Ron, "Algorithmic and Analysis Techniques in Property Testing" by Dana Ron. -
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Algebraic graphs
Algebraic graphs
...See this Haskell Symposium paper and the corresponding talk for the motivation behind the library, the underlying theory and implementation details. We can give semantics to the constructors in terms of the pair (V, E) of graph vertices and edges. Alga can handle graphs comprising millions of vertices and billions of edges in a matter of seconds, which is fast enough for many applications. We believe there is a lot of potential for improving the performance of the library, and this is one of our top priorities. If you come across a performance issue when using the library, please let us know. -
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LogoFE
A Logo library, a big tool box.
...It has, Complex arithmetic Matrix arithmetic Polynomial arithmetic Numeric Integration and derivation Root finding Linear systems solver Date conversion functions List manipulation (Sorting, Cutting, Selecting, etc.) List to file (and vice-versa) procedures List to HTML conversion Grid (ala Excel) function TreeAsList to common Graph Formats procedures Function graphing Clip to Clipboard procedures Combinatoric and Paritition procedures Inferential Statistic distributions Plotting and charting procedures -
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GenReg
Generation of regular graphs
Efficient, complete and non-redundant generation of regular graphs as described in M. Meringer: Fast Generation of Regular Graphs and Construction of Cages. Journal of Graph Theory 30, 137-146, 1999. -
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Graph is a program used for drawing graphs of mathematical functions. It is easy to use while having a lot of features and settings. Official web site is located at http://www.padowan.dk
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pgfplots - A TeX package to draw normal and/or logarithmic plots directly in TeX in two and three dimensions with a user-friendly interface and pgfplotstable - a TeX package to round and format numerical tables. Examples in manuals and/or on web site. ATTENTION: As of February 2020, the development has been moved to https://github.com/pgf-tikz/pgfplots ! Please refer to the new page for downloads and change requests! This page is kept in read-only mode.
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Gato (Graph Animation Toolbox): Animate graph algorithms for example for computing shortest paths, minimal spanning trees, maximum flows or maximal cardinality or weight matchings. Create your own animations using the Animated Data Structures (ADS).
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lnlc
lnlc calculates linear nlc-width and corresponding expressions
lnlc calculates linear nlc-width and corresponding linear nlc-width expressions. On 2014's computers it works quite well up to graph sizes of about 10 nodes of linear nlc-width 3. The runtime depends on the size of the input graph, its linear nlc-width, and the number of nodes of high degree. The archive also contains the widths and corresponding expressions for the trees of up to 12 nodes. -
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Pigale is a graph editor and a C++ algorithm library essentially concerned with planar graphs. This software, particularly intended for graph theoretical research, includes new algorithms based on our recent theoretical researches.
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kpolynomeV2
A Qt program that calculates polynoms based on given data coordinates.
Qt 5.9 reimplementation of kpolynome - no KDE required.
