Questions tagged [math]

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16 views

A C++/C# library to do both symbolic calculation and non-linear equation solving

TL:DR: Is there a (free, hopefully open source) C++ or C# library to do both symbolic calculation and non-linear equation solving? Details: I am trying write a software library to solve a particular ...
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78 views

What 1. free 2. offline software for 3. Windows 10 converts math in PDFs To MathJax?

I need software to convert math in lengthy PDFs to MathJax, in order to copy and paste the MathJax to websites like math.stackexchange.com and math.codidact.com. Recommendations must be unqualifiedly ...
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2answers
25 views

Online editor for mathematical expressions (web-app)

I recently used http://www.imatheq.com/corpsite/index.html. It's pretty cool but seems that with the free version when you save the image it adds a weird background color to it. The quality of the ...
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11 views

Is there an arbitrary precision library in C or C++ with cdf?

I tried GNU Science library but its precision is limited to doubles. Other than implementing the thing myself, which I hope I wont have to do, is there a library that gets me the cumulative ...
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22 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://...
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22 views

Terms rewriting system for solving systems of algebraic equations

Problem description Having system of equations as input (in whatever format): x + y = 6 2x + y = 9 I would like to output manual, step-by-step high-school-like solution. In other words applying ...
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20 views

Linux or Web-based Powerpoint alternative supporting inline WYSIWYG equations?

At work I am using a PC with Linux. I also need to prepare presentation slides, that may require both math and graphical capabilities (such as drawing shapes on top of images). Libreoffice doesn't ...
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19 views

SKIO calculus solver?

At the Googology wiki, there is a function called the Xi function, based on SKIO calculus.https://googology.wikia.org/wiki/Xi_function I found that they calculated Xi(7) as 51 (my program can go to ...
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26 views

Notebook (.nb) → Jupyter (.ipynb) converter besides Mathematica?

Is there a way to convert Mathematica Notebook files (.nb) to Jupyter files (.ipynb) without using Mathematica?Is there a free online utility or other piece of software that can do this?
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1answer
92 views

Alternative to Matplotlib for interactive plotting in Python

I need a plotting library which can be used for interactive plotting and generate plots directly from the command line. Plotly and Bokeh are good but they are meant to be used with web applications. I ...
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344 views

Matrix multiplication on an upper/lower triangular matrix

I am a statistician working on DNA datasets. I am writing an R package, and I will routinely need to perform matrix multiplication on upper-triangular (sparse) matrices that have hundreds-of-millions ...
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19 views

pdf notes with mathematical equations

I'm looking for a program where I'm able to annotate PDF files with notes, including correct mathematical equations (on mac). So far the only way I found was writing the equations with LaTeX in a ...
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38 views

How to turn a complex geometric figure inside out (Win 10, 64-bit)?

This question falls under several categories {software, computer graphics, graphic design, art, cartography, geographic information, mathematical transforms}, but the software (specifically for ...
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24 views

Mathematical visualization in linux with raytracing

I am familiar with this question. I am on Arch linux, and am looking for a software the following features : Ability to plot iso and parametric surfaces. live preview Ability to export in pov-ray ...
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2answers
752 views

C# library for 3D math (rotation)

I am working on a C# project where I need to rotate some vectors. Until now I was using a rather complicated solution using rotation matrices but now I also need support for quaternion rotation (and ...
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0answers
21 views

Online tool to graph functions in c-like languages

Is there a website where I can enter in functions from integers to integers in a c-like programming language (with while loops, if/else etc.) and see a graph of the results? This website doesn't do ...
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42 views

Any library to symbolically solve system of PDEs in the form of expansion series?

I would like to use expansion series, more specifically power series, to solve a system of partial differential and algebraic equations (not sure what to call it, DAE or ADE?!) I have found some nice ...
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12 views

Fourier sine and cosine transformation tool

I need web apllication which can give me output of fourier series, but whith sine and cosine. Wolfram can only output with e: http://www.wolframalpha.com/input/?i=trigonometric+Fourier+series+x%5E2 ...
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52 views

Library for quad or arbitrary precision math (just +-*/ required) in C for ARM microcontroller

I have an embedded ARM based Atmel SAM4 microcontroller performing a small and rather trivial Infinite Impulse Response (IIR) filter on some 30 bit data in real time. The algorithm presently uses ...
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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 ...
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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, ...
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0answers
14 views

Android app for arbitrarily long arithmetic saught

I am after the following user interface allowing kids to learn simple arithmetic on their Android smartphones or tablets: Imagine many flat-cylindrical tokens such as the ones used in the game of ...
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0answers
225 views

A suitable JavaScript graph library for showing results of partial differential equations

I am handling a project which solves partial differential equations. The solution is a 3D graph in most cases. Which JavaScript library is suitable for me to display the result? Example graph:
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37 views

Frameworks/libraries that help turn 3D data into 2D shapes

Just like you can take a cube and flatten it into 6 sides, I'd like to take a digital 3D model of a human and cut it into flat shapes (think sewing patterns) with the help of a high-level framework/...
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143 views

What programs can display a sample accurate audio spectrogram?

What programs can do a sample accurate spectrogram? A spectrogram is a division of many frequencies of an audio file through time. Almost all programs use FFT that devides sound into segments, say ...
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31 views

Searching for FEM library

I need a FEM library in c++ language that supports finite elements with C1 continuity. At first I wanted to use Fenics, because the documentation mentioned some non-conforming elements, but then I ...
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0answers
123 views

Adobe Illustrator (or Inkscape) plugin for inputing LaTeX math equations (positioning and rendering of STIX/XITS font symbol groups)

I'm looking for a plugin for Adobe Illustrator (or Inkscape) which will allow me to enter a LaTeX math equation in a GUI box to create a grouped object made up of appropriately positioned and resized ...
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33 views

Approximate Plane Equation Calculator

I need a visual geometry tool. I want to drag&drop and rotate the default z=0 plane and when I'm doing this, I need the approximate equation of the modified plane. For instance, if I move the ...
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0answers
24 views

Program to solve three simultaneous non-linear equations

I need to do some logistic regressions by hand as an assignment. In case you are not familiar with them, the formula is the following: $N(t) = \frac{c}{1+ae^{-bt}}$ Do you know any software where I ...
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725 views

Replacement to Formulize / Eureqa? (it's a symbolic regression software)

Now that Formulize / Eureqa started charging $2500 a year for using it and having crippled the trial version, does anyone know of any replacements that can do similar things like find an equation ...
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51 views

Simple C library for plotting a direction field (slope field) and euler method

I am looking for a simple and easy-to-use library for plotting a large amount of line segments in my C program. Any recommendations would be appreciated.
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1answer
101 views

Good money library that's optimized for doing Math

Does anyone know of a good money library that's optimized for doing math? Joda money seems optimized for doing things like displaying currencies and so forth. I'm looking for one that is designed for ...
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1answer
35 views

Looking for a program to draw scientific sketches

Does someone know a free program with which i can draw high quality figures for my scientific thesis. I want to draw similar figures like this example Picture is from: E. Lucon Oscillateurs coupl ...
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1answer
43 views

How to find a simple mathematical connection between a target number and a given list of numbers?

Say I want to create my lucky number 111 using only my day and month of birth, which are 10 and 11. I want a simple calculation that makes use of these numbers and evaluates to 111. In this example ...
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2answers
399 views

How to organize math notes?

I need to organize all of my math notes. I would like to create a sort of library of notes, where a note can link other notes and each note is stored in plain text format (for example, Markdown + ...
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1answer
102 views

Text-based note taking applicationg with solid math support and good organization

I am looking for something like Boostnote. However, it seems that Boostnote is not able to handle very large collections of notes. It also has some interface quirks (it scrolls up and down a bit ...
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1answer
23 views

Math document containing some Sage calculations

I need to write a short math text draft containing some Sage calculations. (I am a Sage novice.) What software (or software combinations) you may suggest to do this? Is it possible to do with ...
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2answers
43 views

Free gui-based math software to work with matrices

I am studiying linear algebra and during my studies have a need to do simple calculations on matrices, e.g.: multiple couple of matrices invert a matrix etc I am looking for something free and ...
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2answers
34 views

What can I use to simulate dependency of variables?

I'd like to write the relationship between 2, 3 or even more variables and plotting out that in 2 and possibly 3 dimensional graphs, with the ability to calculate the possible range of the other ...
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2answers
50 views

A (preferably zoomable) graph/network program I can use to map mathematics

I'm currently trying to map out mathematics, by writing up a whole lot of definitions, theorems and axioms and noting the dependencies between them (for instance if B is a definition, it will contain ...
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1answer
32 views

Geometry software that calculates algebraic formulas

I am looking for an open source program where I can draw lines, designate parallel constraints, define distances, etc. and then at the end, I can ask "what is this area [between 4 points] in ...
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1answer
18 views

Theres a free software that runs in the browser which can be used to learn math?

Good afternoon. I am looking for a free software to learn mathmatics, do some draws in R² plane and get some results, in a didatic way. Preferably that runs in the browser. Do you know some?
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2answers
28 views

App or software to show students live step by step in Math?

I am looking for a software or an app that allow my wife to show her students. She teaches 7th grade in Math and I am trying to find one that she can use to upload them in her online classroom ? Due ...
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1answer
35 views

Creating a zoomable scatter chart of millions of points

I want to create a scatter chart that plots millions of points from a CSV file, and allows interactive zooming to explore the finer structure on different scales. I am not very familiar with ...
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2answers
68 views

FFT library for C++ or tutorial

I have a problem with found good FFT library, for simple use. I have 2D array which need passed via FFT. I'm looking for FFT library. I have 2D array of ints (info about pixels in images) and I ...
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1answer
35 views

Solve Algebra Equations in bulk

I need a program that will solve a bunch of algebra equations from a list and output all the answers ex: 1+1 2+2 out: 2 4 I am using windows 7
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1answer
70 views

Calculator software to solve simple equations

I need a Windows calculator software that is able to solve simple equations like ohm's law: U = R.I Where I can input R and I values and it pops out the U value. Of course, this simple equation is ...
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1answer
272 views

What are a few Fast C Math Libraries?

I have seen quite a few nice math libraries for C++ (Eigen, GLM, etc), but I notice they are all C++ only and my program is written strictly in C. I need a fast native C library for math, especially ...
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40 views

Best Python GUI Designer with mathematical functions like graphs?

I've used http://www.python-gui-builder.com/ but its outdated and doesn't have enough features. I've also used https://visualtk.com/ but its inconsistent and doesn't generate my code half the time. ...
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10 views

python trigonometric module that accepts degree

Is there any python module that implements sine, cosine, arcsine etc. and doesn't require me to do cumbersome deg-rad-conversions every time I invoke them? I'm looking for something like: >>&...