Questions tagged [numerical-analysis]

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Best python or C/C++ library for delay differential equations

Within a python project I am currently working with multi-dimensional delay differential equations with constant time delays. For this purpose, I am looking for an efficient and preferably up to date ...
1
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0answers
20 views

Numerical integration of multidimensional integral

I'm looking for software that allows one to numerically integrate multidimensional integrals, hopefully compatible or written in C. I've found an answer for one dimensional integrals here: https://...
1
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1answer
49 views

Programs for calculations in quantum mechanics and theory of relativity

What programs do you recommend for calculations in the field of quantum mechanics, quantum field theory, relativity, string theory and loop quantum gravity?
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0answers
9 views

Software for numerical solution to simultaneous nonlinear algebraic equations with trancendental terms

I'm having trouble with convergence while using EES (Engineering Equations Solver). I have a system of five simultaneous nonlinear algebraic equations in which the unknown quantities often appear as ...
2
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0answers
80 views

Library for numerical double integration in Java

Does there exist a Java library for evaluation of double integrals numerically using e.g. the multivariate Simpson's Rule? See Horwitz 2001, Journal of Computational and Applied Mathematics 134 1–11. ...
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3answers
6k views

Java equivalent to NumPy

In the Python world, if I have some number crunching to do, I use NumPy and it's friends like Matplotlib. Now I have an Android/Java application and the need arises to crunch some numbers and I am ...
3
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3answers
555 views

A number cruncher software that can work with very large numbers

I am looking for a software that is able to crunch very large numbers, i.e. numbers exceeding 100 (or thousands of) digits. It needs to be able to perform basic operations on them as well as others ...
2
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2answers
938 views

dimensional analysis (units checking) in python?

In math—particularly in physics—it is common practice to check the units of the answer to ensure they are compatible. Metres cannot be added to seconds or kilograms, if looking for an answer in ...
1
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0answers
23 views

linear algebra library designed for low floating-point error

I'm looking for a C++ (possibly C) library for performing computationally-intensive linear algebra operations on massive floating-point data - from the simplest computation of the norm of a large ...
1
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1answer
815 views

C++ numerical integration library

Does anybody know a c++ library for numerical integration of samples (data points (x,y)), like scipy integrate.simps? I know it's not hard to implement by myself (in fact I already did), but I need to ...
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0answers
33 views

Bignum library for Javascript

I'm looking for a bignum library for Javascript. Necessary features: Ability to manipulate integers from, say, -101000 to 101000 or better Addition, subtraction, multiplication, division, modulus, ...
7
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1answer
912 views

Numerical differentiation of 2D data, arbitrary order

All I'm looking for is a Python library that contains functionality to compute (possibly via finite differences) the numerical derivative of a 2D array (list of 2D points (x, y); I want dy/dx) to an ...
3
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0answers
50 views

Platform independent library for graphics-related matrix calculations in C#

For a platform independent C# phone application (built using Xamarin), I am searching for a small matrix library which supports 3D graphics related operations. Required operations are: ...