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Questions tagged [mathematica]

For questions concerning the popular computational software program published by Wolfram Research. (Note: you are more likely to get quicker and more accurate response if you ask the question on their user forum or on the Mathematica Stack Exchange site.)

53 votes
1 answer
24k 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 ...
Alexandre Martins's user avatar
39 votes
3 answers
1k views

Do we really know the reliability of PrimeQ[n] (for $n>10^{16}$)?

The algorithm Mathematica uses for its PrimeQ function is described on MathWorld. That web page says PrimeQ uses, "the multiple ...
Ted Ersek's user avatar
  • 1,207
26 votes
8 answers
8k views

LaTeX/TeX Vs. Mathematica for Typesetting [closed]

I know Mathematica like the back of my hand, but I do not know a speck of $\LaTeX$ or $\TeX$. With regard to mathematical typesetting, is there something significant I can do in $\LaTeX$/$\TeX$ that I ...
Just Some Old Man's user avatar
26 votes
1 answer
850 views

The positive root of the transcendental equation $\ln x-\sqrt{x-1}+1=0$

I numerically solved the transcendental equation $$\ln x-\sqrt{x-1}+1=0$$ and obtained an approximate value of its positive real root $$x \approx 14.498719188878466465738532142574796767250306535...$$ ...
OlegK's user avatar
  • 1,928
21 votes
2 answers
9k views

Traditional axes in 3d Mathematica plots?

Is there any way to tell Mathematica 7 to use "traditional" axes rather than boxing a three-dimensional graph? That is, rather than the default view produced by ...
JRG's user avatar
  • 784
17 votes
2 answers
773 views

Determine if $x^3+y^3+z^3+t^3 = 10^{2021}$ has a solution

I want to know if the equation $x^3+y^3+z^3+t^3=10^{2021}$ has distinct positive integer solutions PowersRepresentations[10^2021, 4, 3] return ...
expression's user avatar
17 votes
5 answers
5k views

A limit question (JEE $2014$)

The following is a JEE (A national level entrance test) question: Find the largest value of the non-negative integer ( a ) for which: $$ \displaystyle \lim_{x \to 1} \left( \dfrac{-ax + \sin(x-1) + ...
Parth Thakkar's user avatar
15 votes
2 answers
81k views

How can I calculate the centroid of polygon?

What is the way to calculate the centroid of polygon? I have a concave polygon of 16 points, and I want know the centroid of that. thanks
Csabi's user avatar
  • 285
15 votes
4 answers
59k views

How do I convert the distance between two lat/long points into feet/meters?

I've been reading around the net and everything I find is really confusing. I just need a formula that will get me 95% there. I have a tool that outputs the distance between two lat/long points. <...
Micah's user avatar
  • 251
14 votes
9 answers
28k views

Drawing heart in mathematica

It's not really a typical math question. Today, while studying graphs, I suddenly got inquisitive about whether there exists a function that could possibly draw a heart-shaped graph. Out of sheer ...
Quixotic's user avatar
  • 22.5k
14 votes
2 answers
45k views

How to plot vectors in Mathematica

I am trying to plot vectors in mathematica, some 2d and some 3d. Is there a way to do this? I Need the coordinate axes and an arrow head on a line basically. Thanks, Blake
TechplexEngineer's user avatar
13 votes
2 answers
667 views

Exploring Mathematica as a High School Student

I am a high school student and I am receiving a free one-year subscription for Wolfram Mathematica as a prize from USAMTS. How can I make the most of this one year with software that I have heard is ...
shardulc's user avatar
  • 4,592
13 votes
2 answers
568 views

Twilight Zelda Guardian Puzzle : Shortest Path (UPDATE: ADDED RULES)

I'm playing a video game right now and in it is a puzzle (see here). There are solutions to solving it (see here) on the Internet, but I'd like to know if this path is the shortest path (least amount ...
Liz Wesley's user avatar
12 votes
2 answers
252 views

Does $\frac{1}{1-e^{-\frac{1}{e^x}}} - e^x - \frac{1}{2} $ really explode with oscillatory behavior past $x = 15$?

I was looking at the function $$ \frac{1}{1-e^{-\frac{1}{e^x}}}-e^x - \frac{1}{2}$$ I thought I had reason to believe this tends to 0 as $x$ tends to positive infinity because $$ \sum_{n=0}^{\infty} ...
Sidharth Ghoshal's user avatar
12 votes
6 answers
2k views

Finding good approximation for $x^{1/2.4}$

I would like to a good (8 bits accuracy) approximation for $x^{1/2.4}$ in the range $[0, 1]$. This transform is used for converting linear intensities to SRGB compressed values, so it's important that ...
Yale Zhang's user avatar

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