Questions tagged [math]

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2answers
724 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 ...
0
votes
1answer
31 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 ...
2
votes
2answers
101 views

I need a java library that simplifies math equations

let's say, for example, I give this equation as an input: 4x + x - 20 + 10 And I want to get 5x - 10 as a result
3
votes
2answers
234 views

Fast (approximate?) linear programming solver for few variables and many constraints

I'm writing some code in C++, and it turns out I need to solve an optimization problem which may be formulated using m variables and n linear constraints (i.e. constraint i is of the form \sum_j a_{i,...
13
votes
1answer
919 views

An open source alternative to Wolfram Alpha

I want an open source alternative to Wolfram Alpha that is like a QA system that: can take in natural language and process it have image processing functions has scientific functionality and ...
1
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0answers
12 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 ...
0
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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 ...
1
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0answers
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 ...
1
vote
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 ...
0
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2answers
49 views

Software For Writing Math Equations In Blogger

I am new to blogging world. Sometimes i need to put math equations in my blog. So, Is there any software for that and also where can I download it. Also, If there will be any other advice related to ...
26
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8answers
205k views

Free alternative to step-by-step-solution feature of Wolfram|Alpha Pro?

Are there any free online and/or offline alternatives to the step-by-step-solution feature of Wolfram|Alpha Pro? This feature is able to display step-by-step-solutions of a wide variety of algebra ...
1
vote
1answer
87 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 ...
0
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1answer
17 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?
5
votes
2answers
945 views

Geometry library for C++

Is there a simple geometry library for C++? Just classes for points and lines, and the most basic and common functions such as getting the line length via Pythagorean theorem, calculating the ...
5
votes
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 ...
11
votes
5answers
8k views

Math equations software for 3D plotting

Is there a GUI based software that I can use to plot functions in 3D under Linux? Something with no frills but numerically correct, for example the "grapher" application under Mac OS is handy, but is ...
2
votes
0answers
53 views

Free FFT library for ARM CPU

I need a FFT library for ARM platforms, especially in Apple M1 and Androids. I have already browsed some, but none meets my requirement: FFTS has stopped development, and its assembly code do not ...
0
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0answers
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. ...
2
votes
1answer
46 views

Software for teaching/displaying Math

I'm currently teaching math online. I don't have a digital pen and everytime I write math equations I usually write it on softwares that are able to support Latex. Currently I use Xournal++, Geogebra, ...
0
votes
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 ...
1
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1answer
104 views

Open source math editor

Because the Math have many technical symbols. In the MathOverflow site if we text the $\sin^2 \theta$ we can get the So, if there is a open source editor we can use?
0
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0answers
11 views

Optimization Solvers that take Model Files as Input?

I need to allow users to specify an optimization model, to which I provide solutions over various values. As such, I'm looking for an optimization package that can take a model as a string (the user's ...
1
vote
1answer
45 views

Open source script for generating math exercises for elementary school students

I am looking for a script generating exercises for elementary school students (=simple math task, more complicated than adding two numbers but less complicated than solving quadratic equations). I am ...
1
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0answers
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 ...
0
votes
2answers
27 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 ...
1
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0answers
18 views

Handwriting to LaTeX?

Usa there an Android app which will convert math handwriting to LaTeX? I have seen some apps like photomath on Android that take pictures of textbook math and solve the problem but I just want LaTeX ...
5
votes
3answers
584 views

C++ constexpr math (header-only) library

I'd like to utilize C++14's constexpr semantics expansion to calculate some mathematical formulae at compile time. But - I don't want to "roll my own" constexpr versions of sqrt(), log(), ...
7
votes
3answers
18k views

C/C++ library for solving nonlinear systems of equations

My system of equations is like this: (x - a1)2 + (y - b1)2 = c1 (x - a2)2 + (y - b2)2 = c2 I know it is simple using matlab: solve((x-a1)^2 + (y-b1)^2 - c1, (x-a2)^2 + (y-b2)^2 - c2) But how to ...
1
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0answers
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://...
4
votes
2answers
104 views

Graphing Calculator Softwares

I am trying to find a good Graphing Calculator software. I am looking for one with a lot of features for 2D graphics (it may have no 3D support, it does not matter), and a nice GUI (easy to use). It ...
15
votes
4answers
2k views

Real time interactive whiteboard for tutoring math

I ran this for a month on Math Educators, with no good answers. I'm now reposting here. I'm looking for a web app for tutoring math remotely to high school and junior high kids that ideally has the ...
0
votes
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 ...
1
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0answers
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 ...
1
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0answers
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 ...
1
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0answers
16 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 ...
2
votes
0answers
33 views

Program to fiddle with large mathematical equations visually

When working with mathematics or presenting something at math class I often need to work at a whiteboard writing up equations or scribbling equations on a paper. A considerable time is spent copying ...
19
votes
3answers
8k views

Android app to convert handwritten math equations to LaTeX code

I found some programs to convert handwritten math equations into latex code such as: MyScript Mathpad (only iOS) InLage (only Windows) But I didn't find any app for android. Is there any app for ...
0
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0answers
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: >>&...
13
votes
4answers
2k views

Free mobile alternative to step-by-step-solution feature of Wolfram Alpha Pro?

Are there any free online and/or offline alternatives to the step-by-step-solution feature of Wolfram Alpha Pro that can be used on Mobile phone? This feature is able to display step-by-step-...
0
votes
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 ...
1
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0answers
24 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?
3
votes
1answer
170 views

Looking for optimization libraries to optimize a matrix

I need to solve the problem shown below, but I do not know what optimization libraries can solve this problem. The optimization target is a 3x3 matrix A and a 3D vector b, given the 3D vectors xi ...
0
votes
1answer
34 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 ...
4
votes
3answers
78 views

Software to search for correlation in data

I'm searching for a software where I can import a large amount of data (5000 columns, unknown number of rows, about 20gb) and the software gives me a estimate correlation (does not have to be very ...
0
votes
2answers
391 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 + ...
7
votes
3answers
3k views

Open source alternative to Wolfram Alpha

I recently wanted to compute the solution to 40*x = 200*(1- cos(x)). This is want I put into WolframAlpha, a sort-of pseudo code that I thought expressed what I wanted: solve(40*x == 200*(1 - cos(x)),...
14
votes
5answers
568 views

Wiki system for mathematical notetaking

For keeping track of notes, wiki systems like DokuWiki or MediaWiki are potentially extremely useful, especially for the ability to easily browse previous versions of notes, if I feel that some ...
0
votes
0answers
57 views

Mathcad lookalike for linux?

Sometimes I'd like to make a math notebook on linux, with symbolic equations, text, maybe graphs/visualizations, similar to mathcad documents on windows. Does something like that exist? The closest is ...
3
votes
0answers
67 views

Convert pen and paper math expressions into latex

I've seen some questions about this that are somewhat dated, so I'm asking again in case something new has come up. Context: I'm a student who spends a lot of time making math notes on pen and paper. ...
5
votes
4answers
153 views

Software based calculator that can handle millions of digits

Is there a cheap or free software-based calculator that is capable of doing basic arithmetic with numbers that have millions of digits? It would be even better if you could input and output numbers in ...