Help with mathematical software like Maple, Mathematica, MATLAB, Wolfram Alpha, Mathcad, Pari/GP ...

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84
votes
5answers
10k views

How were 'old-school' mathematics graphics created?

I really enjoy the style of technical diagrams in many mathematics books published in the mid-to-late 20th century. For example, and as a starting point, here is a picture that I just saw today: ...
7
votes
8answers
1k views

A good, free, graphics package for mathematics?

A student of mine has cooked up a new graphical notation for computing with knots on surfaces. The trouble is, writing up his results is difficult due to his new notation. Is there a good "drawing ...
1
vote
0answers
42 views

Writing math for pc and ipad

I have searched many times on softwares and apps for pc and ipad that are suitable for writing math up to advanced level, and support all mathematical scripts, symbols, formulas and operators. Can you ...
5
votes
0answers
61 views

Tool that draws Venn diagram from subset relation

Is there a tool (LaTeX, JavaScript, Mathematica..) that allows one to draw Venn diagram automatically from subsets relations, e.g. $$A\subset A+B$$ $$A\subset C$$ $$C\subset C+D$$ $$B \not\subset ...
1
vote
2answers
59 views

Does anyone know of any open source software for drawing/calculating the area of intersection of different shapes?

I would like to be able to draw any number of different shapes and determine the area of their intersections. I'm looking for free, open source software. I thought about trying to code something up ...
1
vote
1answer
30 views

Is there some function in Maple which can compute the number of monomials in a polynomial?

Is there some function $f$ in Maple which can compute the number of monomials in a polynomial? For example, $f(x_{1,2})=1, f(x_{1,2}+3x_{3,2}x_{2,5})=2$. Thank you very much.
1
vote
2answers
38 views

How to find number of variables in a monomial in Maple?

Given a monomial $m$. How to find number of variables in $m$ in Maple? For example, let $m=2*x*x$. Then the output to be $2$ (two same variable $x$ in $m$). Let $m=-2*x*y*y$. The output is $3$ ...
0
votes
1answer
25 views

Take the index of a variable in Maple.

Are there some functions in Maple which can take the index of a variable. For example, we define are there some functions f in Maple such that f(x[2,3]) = [2,3]? Thank you very much.
2
votes
2answers
73 views

Does the Windows version of MAGMA have a memory limit?

Sorry if this isn't the best place to ask support type MAGMA questions, but I haven't found a single forum or anything for MAGMA users to talk. I have access to a copy of MAGMA which is running on a ...
1
vote
0answers
9 views

Evaluating the quotient of Dedekind Eta function [duplicate]

This expression I found in some research paper, which connects quotient of Dedekind eta function and ray class field of conductor N, which in turn gives the value of j-invariants. For $K=\mathbb ...
0
votes
2answers
114 views

software to solve system of nonlinear equations

I am looking for a software to solve system of nonlinear equations. It would be great if the software can satisfy the following requirements It can support symbolic computation. It deals well with ...
3
votes
3answers
147 views

Do all mathematical symbols in LaTeX have a meaning?

I debated whether I should post this on the TeX forum or here. Mathematics seemed more appropriate. LaTeX has a ridiculous amount of symbols, including countless variations of the integral sign and ...
2
votes
0answers
112 views

What would be the most useful BOINC project to help researchers?

There are some distributed computing projects like BOINC? What would be the most useful BOINC project to help mathematicians or are those just waste of energy and time?
1
vote
0answers
55 views

Interactive Equation editor with Latex syntax

I was using the built in equation editor used by Pearson's "MyLab and Mastering" physics course, and I really like how it's both interactive and uses Latex syntax to insert equation elements. ...
3
votes
1answer
41 views

How to evaluate the quotient of Dedekind eta function in Pari/Gp

This expression I found in some research paper, which connects quotient of Dedekind eta function and ray class field of conductor N, which in turn gives the value of j-invariants. For $K=\mathbb ...
12
votes
7answers
22k views

Recommended (free) software to plot points in 3d

I am looking for (preferably free) software to: 1) plot 3d points read from a file. A scatter plot would be fine. 2) Optionally color the points by a property - also read from the file It would be ...
3
votes
1answer
71 views

On Hilbert Class Polynomial

Is there any open source software which computes Hilbert Class polynomial of an imaginary quadratic fields? Thank you in advance
0
votes
0answers
24 views

calculation of an integral via PARI/GP

I just started to use PARI/GP and I have a question that's been so strange to me. Here are the codes: intnum(x=1,2,frac(x)) = 0.50000... intnum(x=2,3,frac(x)) = 0.50000... intnum(x=1,3,frac(x)) = ...
2
votes
1answer
68 views

Carmichael function available in PARI / GP?

Is the Carmichael function $\lambda(n)$ available in PARI / GP or do I have to program it ? I know the command znorder, but this does not seem to be enough to calculate the carmichael function. I ...
3
votes
2answers
10k views

Implement a program in Matlab for LU decomposition with pivoting

I need to write a program to solve matrix equations Ax=b where A is an nxn matrix, and b is a vector with n entries using LU decomposition. Unfortunately I'm not allowed to use any prewritten codes in ...
16
votes
6answers
2k views

Best Math books or apps for adults to learn math from the beginning

I lost a possible job because I didn't know how to multiply and subtract negative valued integers. I also don't know how fraction manipulation works. What reference books can I read that can help for ...
8
votes
6answers
696 views

Up-to-date advice on the best way to take notes (maths)

I have read some old discussions about this topic and would like to get some up-to-date advice if possible. I'm going to start university next year (maths), and I know how important is to have a set ...
2
votes
1answer
33 views

Evaluating $j$-invariant in PARI/GP.

Is there any command to evaluate $j$-invariant in PARI/GP? In Pari/Gp reference card there is $\operatorname{ellj}(x)$ function; but I am not understanding how to evaluate $j(i)$ or ...
5
votes
0answers
81 views

Note-taking software which is capable of representing mathematical relation

After quite a few studying experiences (both alone and following a class, studying topology, algebra, analysis, measure theory, differential geometry) I have acquired a lot of notes that I have either ...
1
vote
1answer
116 views

inverse Laplace transfor by using maple or matlab

I want to use inverse Laplace transform to F function by using maple or matlab. However I cannot get any answer. I know the answer from table but I want to use one of softwares. from table: ...
2
votes
2answers
355 views

Good math software [closed]

I have finally decided to go more deep into math and cs, so to do that I will need proper tool, math tool. Could you please tell me what's the best open source math tool on the web today, since as far ...
2
votes
6answers
536 views

Software to display 3D surfaces

What are some examples of software or online services that can display surfaces that are defined implicitly (for example, the sphere $x^2 + y^2 + z^2 = 1$)? Please add an example of usage (if not ...
21
votes
9answers
855 views

Free online mathematical software

What are the best free user-friendly alternatives to Mathematica and Maple available online? I used Magma online calculator a few times for computational algebra issues, and was very much satisfied, ...
1
vote
1answer
50 views

Calculating massive definite integral

I'm struggling with some integrals which one of them looks like THIS: $\displaystyle{\int_0^{3.8}\frac{\pi^4 x y (a+9 c+8 b \cos(\frac{\pi z}{l})+18 c \cos(\frac{2 \pi z}{l})) \sin^2(\frac{\pi ...
3
votes
1answer
1k views

How to visualize the Gaussian curvature of a 3D surface?

I have a 3D surface. I want to visualize color-coded Gaussian Curvature. Is there any software (e.g. MATLAB, Mathematica) which can be used for calculating and visualizing the curvature in color code ...
3
votes
1answer
100 views

Course/homework management systems for computational math courses [closed]

I will be teaching a course which will be based on a mathematical software, (as in MATLAB, MAPLE, Mathematica). The question is how to manage homework. Ordinary email is not efficient it seems. I am ...
0
votes
1answer
33 views

BIBO stable system

I would like to ask if this system is Bounded Input Bounded Output stable : $$y[n] = r^nx[n],\quad r\in \mathbb{R}$$ And why? I think this system is stable because $$| x[n] | ≤ B,\quad B < ...
3
votes
0answers
46 views

Efficient software for producing (expression) trees “on the fly,” with good editing (e.g. cut/copy/paste) facilities?

A formula like $\forall x \exists y(x+y=0)$ can be represented as a tree. Something like so: ...
0
votes
0answers
14 views

Detect distance balance in graph

does exsist any software to detect distance balance in graph? I see gephi I wan't to know can this application do this work? thank you!
0
votes
0answers
39 views

Computer-aided study of elementary geometry

As a beginning student of elementary (euclidean plane) geometry, so far, I have gotten the impression that there are two major approaches to geometries: naive vs axiomatic. Being a humanities student ...
0
votes
1answer
82 views

Graphing a triple integral, software and the actual integral

What software can be used to graph a triple integral? I tried to use wolfram alpha, but it wouldn't work. I am trying to graph:$ \int_0^1 \int_\sqrt{z}^1 \int_0^{2-y-z} f(x,y,z) \; \mathrm{dx\; dy\; ...
5
votes
1answer
75 views

Number of subgroups of order $4$ and $8$ in a group of order $72$

Let $G$ be a group of order $72$. I want to calculate the number of subgroups of order $4$ and $8$ with GAP. How can I do? thanks in advance.
0
votes
1answer
72 views

Plotting piecewise functions maple

How would I plot the following equation in maple? $$f(x) = \begin{cases} 1, & \text{if } x\in\mathbb{Q}, \\ 0, & \text{if } x\notin \mathbb{Q}. \end{cases}$$
2
votes
1answer
45 views

Random Variables Software

Is there some softaware that deals with random variables as objects? For example, suppose I define some i.i.d. random variables $X_1,\ldots, X_n\in N(0,1)$, where $N(0,1)$ is the normal distribution ...
0
votes
1answer
61 views

Which 3D finite element mesh generator recommend to me?

Which tetrahedral mesh generator recommend you to study finite element method? I tried to use TetGen. It works well but I can not install tetview to see the meshes because I have a 64bit computer. ...
3
votes
2answers
89 views

$1+n!=m^{2}$ for some n,m$\in\mathbb{N}$

I have no idea whether this is known or not and I couldn't find anything related on Google. While I was studying , I come up with this idea $1+n!=m^{2} $ for some $n,m\in\mathbb{N}$ $1+4!=5^{2}$ ...
1
vote
1answer
55 views

Expressing a matrix in terms of subgroup generators using Magma

With Magma, it is possible to define a subgroup $H$ of a finite matrix group $G$ in terms of generators. Given a matrix $M\in G$, Magma can also determine whether $M\in H$. Presumably, if Magma ...
3
votes
1answer
306 views

Online Finite Field Calculator

I need to find an online Finite Field calculator with the following operations: Inverse SqrRoot Mult Div I have found one a couple of days ago but lost the url, and cannot find it now. Any ...
15
votes
9answers
6k views

Graph theory software?

Is there any software that for drawing graphs (edges and nodes) that gives detailed maths data such as degree of each node, density of the graph and that can help with shortest path problem and with ...
1
vote
0answers
39 views

Program for Handling Huge Primes

I am trying to run a program with really large primes (around the $10^{20}$th prime), but Mathematica seems to only be able to handle around the first $10^{12}$ primes. Is there any software that can ...
3
votes
0answers
44 views

Learning Calculus (and beyond) using mathematics software

I have a programming background and have recently got quite interested in electronics and signal processing. After picking up just about every book/resource on those two subjects, it's pretty clear ...
14
votes
9answers
4k views

What are some good iPhone/iPod Touch/iPad Apps for mathematicians?

There are lots of good apps for teaching mathematics to children but I would like to learn about apps for undergraduate/graduate/research levels. Helper questions Any algebra system (like ...
2
votes
1answer
39 views

How does the base of a group determine the “sort” of the elements in the group

I'm trying to study groups in Mathematica, and I've asked a question on Mathematica.SE that perhaps only someone from Math.SE could answer. Related: How does ...
2
votes
2answers
151 views

Software to find out adjacency matrix of a graph.

I am looking for a graph theoretical software. I can draw a graph delete or add its vertices and edges whatever I want. The software shall give me the Adjacency matrix, degree matrix etc. Is such a ...