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.)
722
questions
53
votes
1
answer
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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 ...
39
votes
3
answers
1k
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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 ...
26
votes
8
answers
8k
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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 ...
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 $$x \approx 14.498719188878466465738532142574796767250306535...$$
...
21
votes
2
answers
9k
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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
...
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
...
17
votes
5
answers
5k
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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:
$$ \displaystyle \lim_{x \to 1} \left( \dfrac{-ax + \sin(x-1) + ...
15
votes
2
answers
81k
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How can I calculate the centroid of polygon?
What is the way to calculate the centroid of polygon? I have a concave polygon of 16 points, and I want know the centroid of that.
thanks
15
votes
4
answers
59k
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How do I convert the distance between two lat/long points into feet/meters?
I've been reading around the net and everything I find is really confusing. I just need a formula that will get me 95% there. I have a tool that outputs the distance between two lat/long points.
<...
14
votes
9
answers
28k
views
Drawing heart in mathematica
It's not really a typical math question. Today, while studying graphs, I suddenly got inquisitive about whether there exists a function that could possibly draw a heart-shaped graph. Out of sheer ...
14
votes
2
answers
45k
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How to plot vectors in Mathematica
I am trying to plot vectors in mathematica, some 2d and some 3d.
Is there a way to do this?
I Need the coordinate axes and an arrow head on a line basically.
Thanks,
Blake
13
votes
2
answers
667
views
Exploring Mathematica as a High School Student
I am a high school student and I am receiving a free one-year subscription for Wolfram Mathematica as a prize from USAMTS. How can I make the most of this one year with software that I have heard is ...
13
votes
2
answers
568
views
Twilight Zelda Guardian Puzzle : Shortest Path (UPDATE: ADDED RULES)
I'm playing a video game right now and in it is a puzzle (see here). There are solutions to solving it (see here) on the Internet, but I'd like to know if this path is the shortest path (least amount ...
12
votes
2
answers
252
views
Does $\frac{1}{1-e^{-\frac{1}{e^x}}} - e^x - \frac{1}{2} $ really explode with oscillatory behavior past $x = 15$?
I was looking at the function
$$ \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} ...
12
votes
6
answers
2k
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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 ...