For help with mathematical questions arising from software such as Maple, MATLAB, Mathcad, Pari/GP, R, and the WolframAlpha website, etc. Consider posting questions about Mathematica at the Mathematica StackExchange instead. For GAP, SAGE, and MAGMA, one might use tags (computer-algebra-systems), ...

learn more… | top users | synonyms

1
vote
0answers
44 views

What is an equivalent version of maple software in linux?

What is an equivalent version of maple software in linux? From the comment by james, I am editing this post. Maple is not a free version as i have searched in google. I need equivalent ...
2
votes
1answer
574 views

How to approach a symbolic integral that Mathematica cannot solve?

I'm aware that there are an infinite number of integrals that do not have a closed-form solution. But how does one know if their particular integral is one of these? For example, a particular integral ...
5
votes
3answers
122 views

GAP Editor with Syntax Highlighting for Windows

Can anybody recommend a code editor for Windows which has GAP Syntax Highlighting? Thank you
2
votes
4answers
61k views

Finding critical value using t-distribution in Excel

Alright, I'm trying to figure out how to calculate a critical value using t-distribution in Microsoft Excel... ex. a one-tailed area of 0.05 with 39 degrees of freedom: t=1.685 I know the answer, ...
4
votes
3answers
192 views

Software for plotting functions… Any suggestions?

I'm looking for a (hopefully cheap/free) software that could plot functions for academic use. Until this point, I used MATLAB as a primary tool to draw graphs. Although it 'could' plot any functions ...
41
votes
5answers
6k views

What software can draw pictures like this?

I used Mathematica to draw a function picture, but it is not beautiful like the picture below. I want know what software can draw beautiful pictures like the one below. This picture is from the ...
0
votes
2answers
101 views

Looking for a function calculator

I am looking for a calculator which can calculate functions like $f(x) = x+2$ at $x=a$ etc; but I am unable to do so. Can you recommend any online calculator?
2
votes
3answers
61 views

Geogebra graphing help

I'm trying to draw a wave in geogebra, something like the one on a pepsi logo. The wave is a vertical wave and I have no idea how to draw it. I tried drawing a sine graph but I want a 'single' wave, ...
1
vote
3answers
760 views

Why doesn't this work in Geogebra

I've got a really simple equation that I want GeoGebra to plot: $\sqrt {2x}-\sqrt {3y} =2$ It says it's an illegal operation so I try: $3y=2x-4\sqrt{2x}+4$ When this doesn't try, I try changing ...
4
votes
4answers
3k views

Calculator similar to Desmos but for 3D

Is there a calculator with functionality similar to Desmos but in 3 dimensions? I am looking to learn about families of quadric surfaces so I am looking for a 3D calculator with sliders.
1
vote
1answer
206 views

Geogebra - constructing the smallest circle that contains a triangle

I want to create a Geogebra demonstration of the smallest enclosing circle of a given triangle. The Geogebra tutorial shows how to create the circumcircle of a triangle (by calculating the ...
0
votes
1answer
94 views

Equation of a dotted circle [closed]

What is happening in this dotted circle? $x^2+y^2 < 2x$ I don't understand how this forms this dotted circle that I get when I type this into geogebra.
3
votes
1answer
2k views

How to make a parabola in GeoGebra?

I need to make a parabola in GeoGebra. "Smallest" one is going to contain 3 points, while the "biggest" one is going to be defined by 9 points. So if anyone could explain to me how to make a parabola ...
1
vote
1answer
51 views

Define Point with 2 constraints in Geogebra

Hello, I'm struggling making the model of the "triangle of speeds" (crosswind modelisation in aeronautics) in Geogebra. What I want to do is simple: How to define the point B as being the ...
1
vote
1answer
22 views

Software or website for live 2D countour plots?

I'm looking for a software tool to plot live contour plots. With live I mean something like Desmos, where you can enter formulas with parameters, and then adjust the parameters interactively (with a ...
1
vote
1answer
22 views

Computing Extensions of an Ideal in Singular or Macaulay2

Does Macaulay2 or Singular compute extensions of ideals under ring homomorphisms? Specifically, if $\phi:R\rightarrow S$ is a ring homomorphism (say polynomial rings over $\mathbb{Q}$ which can ...
0
votes
0answers
28 views

Note-taking Software Reference Request

I'm currently doing AS-level in pure mathematics and I'm looking for a good app that will help me keep and organize all my notes and equations that I should memorize. I tried using Microsoft OneNote ...
0
votes
0answers
18 views

Calculating Eigenvalues and Eigenfunctions Numerical Methods (Software Reference Request)

Could someone direct me to a free software to calculate eigenvalues and normalized eigenfunctions of a linear integral operator. I am trying to solve a Fredholm Integral Equation with degenerate ...
15
votes
1answer
96 views

Is there an algorithm for deciding big/little-O queries?

Consider the following question: Is $2^{o(\log n)} = o(n^c)$ for every constant $0 < c < 1$? I can try to answer this question using basic limits to get that the answer is "yes." I can ...
0
votes
0answers
79 views

What is a good language to represent a mathematical formulas as code

What is a good language to represent a mathematical formulas as code? I am interested in representing my math formulas in various documents so that they can easily implemented in various programming ...
9
votes
1answer
32k views

Draw online polygon/triangle

Is there is any website where I can draw a polygon/triangle online. A website with an option to use coordinates to plot points and other tools to draw polygons.
0
votes
0answers
17 views

Generating random Gaussian fields

I want to generate functions $f: X \to \Bbb R^n$ where $X\subseteq \Bbb [0,1]^m$ is a finite set and $f$ is the restriction of a "nice" (smooth and not too wild) random function $\tilde{f}: ...
0
votes
0answers
15 views

Primary vs. secondary variable in graphing

In a line graph plotting revenue over time for a company -- Would the date or the dollar amount be considered the "Primary" variable. I am trying to create an intuitive way for someone to create a ...
88
votes
22answers
66k views

Software for drawing geometry diagrams

What software do you use to accurately draw geometry diagrams?
1
vote
1answer
65 views

How can I draw (using a computer) spaces that I can't parametrize easily?

I am studying algebraic topology and I came around the following problem: I have to describe the space obtained when I identify the circles marked with different letters in the following figure: ...
1
vote
1answer
23 views

How can I check arbitary numbers for primality with pfgw?

I downloaded the program pfgw (executable file for windows) and I wonder if I can check numbers like $$2^2+3^3+5^5+7^7+11^{11}+...+p^p$$ $p$ a prime number or at least $$\frac{4\times ...
0
votes
1answer
496 views

Solve a nonlinear system of equations with C/C++ [closed]

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: ...
3
votes
1answer
93 views

Software to Calculate Kernighan-Lin Algorithm on Graph

Is there any (free) software out there that can perform the Kernighan-Lin partitioning algorithm on a small graph?
3
votes
2answers
1k views

Scratch Pad software for Windows

I'm looking for software that can serve as a replacement for a physical "scratch pad", on a Windows system with only keyboard and touchpad interfaces. This is intended to facilitate manual ...
0
votes
0answers
8 views

Tutoring without borders: softwares for communicating operations in real time?

I want to tutor some of my friends in mathematics, but we do not live in the same place. I could attempt to use Skype or something similar for the talking portion of the tutoring, but there is no ...
3
votes
0answers
41 views

What are some good graphics programs for depicting hyperbolic geodesics?

I'm looking for some software that allows one to draw accurate pictures in hyperbolic space. In particular, I want to be able to specify pairs of points and generate the geodesic between them, in ...
0
votes
0answers
27 views

Linear algebra package over integers

Is there a fast and friendly tool for matrix-computations over $\Bbb Z$? In particular, I would like to find generators of the solution of a homogenous system of linear equations. This can be done ...
-1
votes
3answers
74 views

Recommendation for free graph plotter that can produce beautiful graphs [closed]

Can anyone please recommend a good free graph plotter that I can download. I am looking for a program that can produce neat looking graphs with all the axes, grids and that can plot many different ...
3
votes
1answer
31 views

Number of orderings with tree-based constraints

How can I compute the number of possible orderings of the numbers $1,\dots,N$, where some constraints are given on the relative order of some numbers? I know how to do the calculation in simple ...
1
vote
3answers
4k views

software to draw geometry 2D, 3D

I am looking for a software to sketch moving figures as this one. Thanks.
23
votes
11answers
10k views

3D software like GeoGebra

Does it exist a free interactive geometry software, like GeoGebra, which works for 3D geometry? I would be able to draw spheres, great circles, and so on.
1
vote
1answer
396 views

Software to easily draw 3d plots from functions

my problem is that I need a way to quickly check results of my, that is to say, homework. I think that the best way to do this is to draw a plot of a function to quickly see whether my solution is ...
0
votes
1answer
44 views

Given number n. Find the n digit numbers. [closed]

For eg; if n = 2, Then the output should be 10,11,...99 // (i.e) 10 to 99 if n = 3, Output: 100,101...999 //note the 3 digit numbers are returned. The range would be 100 to 999. How can i achieve ...
1
vote
2answers
607 views

Why is there a different button for 'minus' and 'negative' on a calculator?

Perhaps this is more of a programming question than anything else, and if so I'll gladly migrate it on over to StackOverflow, but I think this site might be a bit more suited. my question is ...
0
votes
3answers
137 views

Tool to draw graphs when input points are given

I am writing a dissertation and I have a two collections of data from my research which I would like to compare using graphs. I have the values for abscissa and ordinate and I am looking for some sort ...
1
vote
0answers
280 views

Programmer understanding academic writings on maths

I would like to know in which order I should learn different areas of maths so I can have a robust overview of all the theory in case I need something for a computer programming problem. So I've ...
3
votes
0answers
69 views

Computational Topology Codes [closed]

I am working on a project with a PI that thinks could be solved with computational topology tools. For this project, we will be looking at the persistent homology of objects in 3D images. I tried ...
61
votes
1answer
3k views

About Euclid's Elements and modern video games

Update (6/19/2014) $\;$ Just wanted to say that this idea that I posted more than a year ago, has now become reality at: http://euclidthegame.com/ 12.292 users have played it in 96 different ...
1
vote
1answer
145 views

How to trace the path of a moving point in geogebra

I created a simple animation in geogebra, two intersecting lines rotating around fixed points. I want to trace the paths of the vertex points of these lines. I mean is there a way when the animation ...
2
votes
3answers
132 views

Is there any good software that solves equations of permutation group elements?

I need to solve equations of permutation group elements (elements of $S_n$) that may not may not have solutions. The number of equations generally exceeds the number of variables. Is there any good ...
0
votes
1answer
42 views

Graphing social connections in a middle school.

Imagine a middle school with the usual assortment of bullies and bullied, popular and lonely, violent and passive, and troubled. I try to keep up on who's doing well and who is not. My data consists ...
0
votes
2answers
41 views

Linnear programming system of equations and restrictions

While doing a linnear programming problem, i came with this system of equations of 10 variables, and 7 restrictions (7 equations and 10 inequalities). The objtective is to minimize the function: ...
0
votes
1answer
571 views

Reciprocal -block in Simulink?

I have nonlinear-differential -system for water-flow. I need to find the reciprocal -block in Simulink. I could do it with reciprocal-sqrt -block and sum -block but too complicated, there must be some ...
0
votes
0answers
31 views

solving homogeneous equation using r programming language

How to solve for the non trivial solution to the homogeneous system of linear equation.. I tried with solve command but it gives only trivial solutions. eigen(A)$vector[,x] gives answer only for ...