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

0
votes
1answer
9 views

Having trouble drawing an arc using atan2 and specified range of arc.

I'm writing code. My arc invariant is: $$ \theta_0, \theta_1 \in [-2\pi, 2\pi], \\ \theta_1 - \theta_0 \leq 2\pi $$ where $\theta_0$ is the arc beginning angle and $\theta_1$ is the arc end angle. ...
0
votes
1answer
9 views

Computation of minimal axis-aligned bounding box of an arc segment.

I'm trying to compute the minimal bounding box of an arc segment so when it's time to render it, I only have to examine pixel coordinates within a minimal rectangular region. The code below covers ...
0
votes
0answers
14 views

Cannot open Singular in a running emacs [on hold]

I am a newbies in Singular. I just downloaded Singular4-0-2_64.dmg, mounted the image, right-ckick, show the package contents, then moved the contents folder to the Applications directory. ...
0
votes
1answer
24 views

Software to find eigenvalues

Is there a software (or website) that is free which can find eigenvalues but with arbitrary constants, say $a,b>0$ being involved?
0
votes
3answers
40 views

How to solve the following system of partial differential equations?

I have a system of partial differential equations: \begin{align} & u(a,b,c) \frac{\partial y}{\partial c} = \frac{4}{3} ab, \\ & u(a,b,c) \frac{\partial y}{\partial b} = \frac{2}{3} ac + 2 ...
1
vote
0answers
27 views

Adequate software to plot grids, numerical stencils…

Do you know any software (online or not) easy to understand and appropriate to create this kind of plots? I would like the image to be vectorized, can write subindices, arrows, dots and so on to ...
3
votes
1answer
54 views

Fibonacci sequence digits

We define the Fibonacci sequence by $F_{n+2}=F_{n+1}+F_{n}$, with $F_0=0$ and $F_1=1$. How to compute the last $30$ digits of $F_{2^{200}}$ for instance? can we use Python?how?
1
vote
0answers
25 views

Number animation in geogebra?

Is there a way to animate this "triangle" in Geogebra so that the rows are expanding from the top to the bottom?
2
votes
1answer
41 views

Algebraic geometric software to investigate polynomials with graph theoretical origin?

My teacher uses Singular and Macaulay2 for specific problems in Algebraic geometry but she was unaware which software would be best suited to investigate polynomial basis problems where their origin ...
2
votes
1answer
32 views

Online visualization tool for planes (spans in linear algebra)

I would like to visualize planes in 3D as I start learning linear algebra, to build a solid foundation. Surprisingly, I have been unable to find an online tool (website/web app) to visualize planes in ...
0
votes
0answers
56 views

Software to learn limits without l'Hôpital's rule

Can someone point me to good software/website that solves limits step by step without using l'Hôpital? Currently I use Maple and/or WolframAlpha, but both use l'Hôpital's rule and I can't force them ...
0
votes
3answers
45 views

Is there any maths software to help determine the formulas of given curves?

I am looking for a piece of software if it exists, which would allow me to give 2 points on a graph, (say (0,0) and (100,100) as an example), it would then connect the 2 points with a straight line, ...
1
vote
1answer
25 views

How to create a matrix in pari/gp [closed]

How does one create a matrix in $\texttt{pari}$? I currently understand how to create a vector: ? vector(6,n,n^2) %1 = [1, 4, 9, 16, 25, 36] I also know how ...
1
vote
1answer
38 views

The fastest Gröbner basis algorithm available?

for my undergraduate thesis I'm (pseudo) replicating algebraic attack on certain cryptosystem using gröbner basis approach. The heart of original attack was F5/2 algorithm (since the cryptosystem is ...
1
vote
1answer
46 views

Free software (online is better) to divide large numbers?

This may be a strange request, but I need to divide the number $$\begin{align} ...
3
votes
3answers
48 views

Is there a platform I can use to do my Maths assignment?

If one wants to do Maths assignment on the computer, how would he/she go about doing it? I want to be able to use all the mathematical symbols, matrices, formulas and whatnot- the same way ...
-1
votes
2answers
64 views

What software tool should I use to draw graphs? [closed]

I am writing a latex document, and I have a technical lemma that I would like to illustrate with an image. The field is graph theory, and the lemma has several cases, so I want to draw a chart ...
0
votes
1answer
34 views

softwares or programming language uesd for math calculations?

Is there any software or programming lang for getting maths answers step by step? when I type the question it should give a brief answer, for example when i type (2+2)*2 it should show me (2+2)*2 ...
1
vote
1answer
30 views

Maple solving inequalities within a range

I have no troubles to solve an inequality using this command: solve(df(x) > 0, x) However, I need to solve it within a specified range (-1..1). Is that ...
0
votes
2answers
13 views

Try to obtain the exponent of a variable in Maple.

Are there some function $f$ in Maple such that $f(K[1,2]^{1/3}) = 1/3$? Any help will be greatly appreciated!
0
votes
2answers
22 views

“Invalid sequence” in Maple

I tried to define a procedure in Maple as follows. removeAnElementInList:=proc(i, l) local r, j; r:=[]; for j from 1 to lengthOfList(l) do ( if(j<>i) then r:=append(r, l[j]) end if ) ...
2
votes
0answers
26 views

How to obtain $K$ in $K[1,2]$ in Maple?

I would like to obtain the letter $K$ from $K[1,2]$ in Maple. I tried to use op(K[1, 2]). But I get $[1,2]$. Are there some function $f$ in Maple such that $f(K[1,2]) = K$? Any help will be greatly ...
4
votes
2answers
134 views

Small version of the GAP-software or online tool available?

If I only want to calculate the number of groups of order $n$ for large $n$ , especially cubefree $n$ : Is there a small version available or an online calculator ? Or do I simply have to download ...
1
vote
1answer
11 views

What PC programs or iPad applications are there which allow you to plot cylindrical/spherical polar graphs?

I've been trying to get my head around the use of cylindrical and spherical polars to plot graphs. I feel that the easiest way to do this would be to try plotting some, but I'm struggling to find a ...
-1
votes
1answer
16 views

Quadrilaterals and figures

$ABC$ is a triangle in which $L$ is the midpoint of $AB$ and $N$ is a point on $AC$ such that $AN =2CN$. A line thought $L$ parallel to $BN$ meets $AC$ at $M$ prove that $AM=CN$.
-1
votes
0answers
20 views

Cloud cplex solve mixed integer semi-definite programming (MISDP)?

As we know, cplex has the capabilities to solve LP, MIP, QCP, MIQCP, SOCP, and MISOCP. But, cloud cplex solve MISDP?
2
votes
0answers
29 views

Why does this odd glitch exist with graphing programs?

In Grapher on Mac and the TI-84's built-in graphing program, there is a problem with imaginary numbers. If I input $ i\sqrt {x}$, the graph ends up looking like this, even though it ought to look like ...
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 ...
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
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 ...
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
21 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 ...
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 ...
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 ...
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 ...
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 ...
2
votes
3answers
60 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, ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...