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twole-plan

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Supporting actors involved in water resources management TwoLe Planning Engine is GNU GPLv3-covered free software for supporting Integrated Water Resources Management (IWRM). It provides advanced optimization (stochastic dynamic programming) and simulation engines suitable to allow Decision ... [More] Support Systems (DSS) to explore water management policies for multi-criteria water planning. The provided optimization and simulation algorithms enable the design and evaluation of water management policies even for multipurpose reservoir networks under different scenarios and goals. Such kind of mathematical support may be of great importance to allow the actors (stakeholders, decision makers, domain-experts) which are involved in the IWRM problem to move from the complexity of the IWRM modeling to the complexity of the decision problem, relying on automatic tools to explore different scenarios and goals while focusing on the effects of different water management policies. On the other hand, publicly available software for supporting IWRM decision-making can be viewed as a transparency prerequisite to provide involved actors the ability to understand the implications of the technical apparatus on decision-making and to mitigate unwanted technology-driven biases. The transparency requirements can be articulated in the very basic demand to be able to freely run the software and to study its complete and non-vague formulation (which needs the public availability of the source code) and in the possibility to correct and improve the software and release improvements to the public. Even if such possibility is usually exploitable only by competent researchers, its importance is vital to raise IWRM actors awareness about the intrinsic fallibility of technical apparatuses and to ensure them the maximum degree of dependability in relying on such software, which is achievable allowing and promoting the maximum degree of public verifiability. These requirements are satisfied only by free software, because the definition of free software is equivalent to them. This is an excerpt of the TwoLe Planning Engine presentation you can find at http://savannah.nongnu.org/projects/twole-plan Please refer to that URL to learn about other important aspects of TwoLe Planning Engine. Copyright (C) 2009, 2010 Daniele de Rigo [Less]

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5.0
 
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Mostly written in language not available
Licenses: gpl3_or_l...
Tags automation c++ control dss environment integration machine_learning management math modss natural-resources numerical 5 more...

Comsigproc

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ComSigProc is Fortran-95/2003 library of mathematical, signal processing and communication routines. The core of the library provides linear algebra routines for digital signal processing and digital communications. The aim is to make this atleast as good as Matlab + Signal Processing Toolbox + Communications Toolbox.

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Mostly written in language not available
Licenses: open_soft...
Tags communication communications dsp fft filters numerical numericalmethods object_oriented objectoriented programming signal-processing signal_processing 1 more...

SciD (scientific library for D)

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  Analyzed about 7 hours ago

SciD is a collection of numerical routines and bindings written in and for the D programming language.

13.9K lines of code

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over 7 years since last commit

1 users on Open Hub

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Mostly written in D
Licenses: boost
Tags library math mathematics numerical numerics programming science scientific

PyClaw

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  Analyzed 1 day ago

Pyclaw is a Python-based solver for hyperbolic PDEs that includes the algorithms of Clawpack and SharpClaw. It has been designed with easy extensibility, performance, and exploration in mind. The high-level code is written in Python using numpy and based on the PyClaw package. The low-level kernels ... [More] used are the Clawpack and SharpClaw routines, which are written in Fortran. The PyClaw package also includes a scalable parallel implementation of Clawpack and SharpClaw, using PETSc. [Less]

31.4K lines of code

5 current contributors

26 days since last commit

1 users on Open Hub

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Mostly written in Python
Licenses: bsd
Tags finitevolumemethod hyperbolic mathematics numerical numerics parallel python riemann_solver scientific weno

SciSmalltalk

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Tools for scientific computation in Smalltalk

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Mostly written in language not available
Licenses: mit
Tags engineering mathematics numerical programming scientific smalltalk

Mechanic

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  Analyzed 1 day ago

The MPI task management system for the dynamical astronomy The Mechanic is a task management system and host software framework developed to help in conducting massive numerical simulations. It provides powerful and flexible user API with unified data storage and management. It relies on the ... [More] core-module approach, which allows to separate numerical problem from the common programming tasks, such as setup, storage, task management, splitting the workload, checkpointing etc. From this point of view it allows the user to focus on the numerical part of the scientific problem only, without digging into MPI or advanced data storage. Since the user API is written in C, it allows to easily adapt any code developed with a C-interoperable programming language, such as C++, Fortran2003+, OpenCL, CUDA [Less]

9.96K lines of code

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over 10 years since last commit

1 users on Open Hub

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Mostly written in C
Licenses: bsd
Tags astrodynamics astronomy hdf5 mpi numerical

GNU MPFR

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Claimed by GNU Analyzed about 23 hours ago

Provides a library for multiple-precision floating-point computation with correct rounding. The computation is both efficient and has a well-defined semantics. It copies the good ideas from the ANSI/IEEE-754 standard for double-precision floating-point arithmetic.

268K lines of code

2 current contributors

24 days since last commit

1 users on Open Hub

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Mostly written in C
Licenses: lgpv3_or_...
Tags floatingpoint gmp mpfr multiprecision numerical

Jama

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  Analyzed 1 day ago

Jama - Java Matrix OSGi version with tycho build and additional features

4.78K lines of code

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over 9 years since last commit

1 users on Open Hub

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Mostly written in Java
Licenses: apache_2
Tags algebra computing jama java linear_algebra math mathematics maths matrix numerical vector

minfx

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  Analyzed about 10 hours ago

The minfx project is a Python package for numerical optimisation, being a large collection of standard minimisation algorithms. This includes the line search methods: steepest descent, back-and-forth coordinate descent, quasi-Newton BFGS, Newton, Newton-CG; the trust-region methods: Cauchy ... [More] point, dogleg, CG-Steihaug, exact trust region; the conjugate gradient methods: Fletcher-Reeves, Polak-Ribiere, Polak-Ribiere +, Hestenes-Stiefel; the miscellaneous methods: Grid search, Simplex, Levenberg-Marquardt; and the augmented function constraint algorithms: logarithmic barrier and method of multipliers (or augmented Lagrangian method). [Less]

3.76K lines of code

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over 1 year since last commit

1 users on Open Hub

Very Low Activity
5.0
 
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Mostly written in Python
Licenses: gpl3_or_l...
Tags algorithm conjugate_gradient library line_search local_optimisation minimisation minimization nonlinear numerical optimisation optimization python 1 more...

MPSolve

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  Analyzed 1 day ago

MPSolve stands for Multiprecision Polynomial SOLVEr. It is a software that aims to provide an easy to use (hopefully) universal blackbox for solving polynomials and secular equations. Among its features you can find: - Arbitrary precision approximation - Guaranteed inclusion radii for the ... [More] results - Exploiting of polynomial structures: it can take advantage of sparsity as well as coefficients in a particular domain (i.e. integers or rationals). [Less]

34.4K lines of code

3 current contributors

about 1 month since last commit

1 users on Open Hub

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Mostly written in C
Licenses: gpl3
Tags library mathematics numerical polynomials