A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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Questions regarding the numerical solution and analysis of equations that feature an integral transform on the unknown function. Problems with integral-equation formulations, their discretization, cal…
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For questions pertaining to methods to estimate input parameters based upon output data.
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a finite element analysis software package for various engineering and physics applications, with special emphasis on coupled phenomena (multiphysics).
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a language and environment for statistical computing and graphics that provides a wide variety of statistical (linear and nonlinear modelling, classical statistical tests, time-series analysis, c…
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a free, open source CFD software package developed by OpenCFD Ltd at ESI Group and distributed by the OpenFOAM Foundation.
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an automatic extraction of information out of images. It includes methods for acquiring, processing, analyzing, and understanding images and high-dimensional data from t…
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Referring to ordinary differential equations that require an extremely small timestep to guarantee numerical stability.
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A powerful mathematical programming software with high level symbolic manipulation capacity.
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one that can only be spanned by a basis set with a large number of elements. High-dimensional problems often suffer from the *Curse of Dimensionality*, which is exponent…
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Questions on the testing and verification of computational methods.
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a branch of mathematics that studies the discrete objects, the set (a combination, permutation, deployment and transfer of elements) and the relationship to t…
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a scientific programming & scripting language with syntax similar to MATLAB and SCILAB.
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an open source scientific visualization application which can import, read, analyse and post-process a wide range of file types.
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Questions related to the calculation or use of the Jacobian matrix or its determinant. Not to be confused with the Jacobi iterative method for solving systems of linear equations. For those, use [iter…
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a parallel computing platform and programming model invented by NVIDIA. It enables dramatic increases in computing performance by harnessing the power of the graphics processing unit (GPU).
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It can be shown that the energy of a given multi-electron quantum state can be expressed as a sum of a term depending only on the external potential and another which is a universal functional of the …
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Referring to sparse matrices with concentrations of non-zero elements along a combination of diagonals, subdiagonals, and/or superdiagonals.