2
votes
1answer
41 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 ...
-1
votes
3answers
79 views

How to solve that kind of equation using Wolfram Mathematica? [closed]

I need to find all variables $$A, B, C, D$$ for given equation with independent variable $$s$$ How can Mathematica solve that? Example, not working: UPDATE: One Two Three Four ...
0
votes
1answer
148 views

Solve 4 A (L^(3/4)) - wL (((24 - L) w)^(-3/4)) = -(((24 - L) w)^(1/4)) for L? Using Mathematica

I'm trying to solve $$4 A (L^{3/4}) - wL (((24 - L) w)^{-3/4}) = -(((24 - L) w)^{1/4})$$ for $L$ using Mathematica, and it spits the following out: ...
0
votes
2answers
66 views

simple question: the eigenvectors of a matrix.

\begin{align*}A=\left(\begin{array}{cccc} 1 & 2 & 3 & 4 \\ 0 & 1 & 2 & 3 \\ 0 & 0 & 1 & 2 \\ 0 & 0 & 0 & 1 \\\end{array}\right);\end{align*} The ...
3
votes
1answer
310 views

Switching from Mathematica to MATLAB: As a text editor?

I have been using Mathematica for almost a year, and the most indispensable feature in Mathematica to me has been the ability to write really nice documents and print them into PDF or TEX files. In ...
2
votes
2answers
376 views

Visualization of Cantor set by Mathematica or Maple!

We all know what it is the Cantor set. The Cantor set is created by repeatedly deleting the open middle thirds of a set of line segments. One starts by deleting the open middle third $(\frac{1}{3}, ...
23
votes
1answer
8k views

Is Sage on the same level as Mathematica or Matlab for graph theory and graph visualization?

The context: I'm going to start working on a project that involves running predefined algorithms (and defining my own) for very big graphs (thousands of nodes). Visualization would also be welcome if ...
0
votes
1answer
65 views

Help Plotting in Mathematica

I have a function of the form S=f(x,y,z), 0 ≤ x ≤ 1,0 ≤ y ≤ 1, 0 ≤ z ≤ 1. I would like to solve S=0 numerically and plot the solution set of (x,y,z) in 3-space
1
vote
3answers
545 views

How to plot $z= 5-\sqrt{x^2+y^2}, 0 \le z \le 5$ in mathematica?

Could anybody tell me how to plot $z= 5-\sqrt{x^2+y^2}, 0 \le z \le 5$ in mathematica? I haven't done much on multivariable yet, but I am inquisitive to know how to plot this cone on mathematica? ...
6
votes
1answer
819 views

Solution of a system of equations in a finite field using Mathematica

We can solve a system of equations over reals using Mathematica as follows. Solve [x^2+y^2+z^2==1 && x+y==1, {x,y,z}] How one can solve a system of ...
2
votes
2answers
316 views

What is the “Mathematica” function for plotting a single variable inequality?

I was just wondering, how do I plot a single variable inequality in Mathematica? For example, we could use Wolfram Alpha for plotting an inequality like $x^3+4x+9 > 0$ and see something like this. ...
2
votes
1answer
383 views

Symbolic computation of the derivative of dot product of 2 vectors

If I have two vectors $a$ and $b$, whose components are time varying, for example $$a=[a_x(t), a_y(t), a_z(t)]$$ $$b=[b_x(t), b_y(t), b_z(t)]$$ The dot product of these 2 vectors can be expressed as ...
0
votes
1answer
205 views

Equation to find if a set of vertices form a concave shape?

i'm trying to get around the rule of only being able to form concave shapes in the SFML c++ library by forming the non-concave shape out of many concave shapes. What I don't know is the equation for ...
1
vote
2answers
203 views

Help need in Mathematica or Sage

I want to find the common positive solutions of two polynomials $f_{a,b}(x,y)$, $g_{a,b}(x,y)$ where $a,b$ runs from 0 to 1 with an interval 0.01. Let $(x_0,y_0)$ be a common positive solution. Then ...
1
vote
2answers
510 views

Exporting a matrix in Mathematica in curly brackets format

I am trying to export a matrix in a file using Mathematica. I get the matrix and then use Export["myfile.dat", MyMatrix, "???Format???"] There are many formats. ...
9
votes
3answers
400 views

Proof and software

How well accepted are proofs where critical parts depend on software of which we have no access to the source, e.g Mathematica, Maple? More generally how much can we take on faith with regards to ...
2
votes
2answers
693 views

Comparing integral resolutions using Wolfram Alpha / Mathematica

Equations are in $\LaTeX$ format; I'm still trying to understand how MathJax works. Given the following integral: $\int_0^{+\infty } \frac{1}{x \sqrt{x}} \, dx$ I'm pretty sure that does not ...
0
votes
3answers
694 views

Finding positive integer solutions to functions with only positive integer input

For the equation $f(x,y) = x^2/y$ given that $x$ and $y$ are integers What is the easiest/fastest way to find at least one tuple $(x_0,y_0)$ solution to $f(x,y)=4$ or any other number really. I ...
1
vote
1answer
369 views

find minimum of a function defined by integration in Mathematica

I need to find the minimum of a function $f(t) = \int_0^1\!g(t,x)\,dx$. What I did in mathematica is as follows: ...
61
votes
10answers
42k views

What should I learn first, Mathematica or MatLab?

I have a non-professional interest in math and I would like to be able to be curious and play around with some math that I'm learning about (both here and from calculus-and-higher level math classes). ...