7.28 June 24, 2014
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Top new questions this week:
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[Longest path in 0/1
matrix]\url{http://mathematica.stackexchange.com/questions/51247/longest-pa
th-in-0-1-matrix}
I have a matrix of 0's and 1's forming a number of disjoint paths:
I would like to find the lengths of the paths, and from that "spectrum,"
the longest length (in the above example: 27, ...
- asked by Joseph O'Rourke (25 votes), answered by rm -rf (24 votes)
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[Visualization: elliptical insights into data
sets]\url{http://mathematica.stackexchange.com/questions/51163/visualizati
on-elliptical-insights-into-data-sets}
I was recently reading the following paper on visualization techniques
using ellipses to gain statistical insights. Elliptical visualization
for looking at correlations has briefly been touched on ...
- asked by Pam (12 votes), answered by Pam (2 votes)
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[What is the relationship between Mathematica and Wolfram
Desktop?]\url{http://mathematica.stackexchange.com/questions/51372/what-is-
the-relationship-between-mathematica-and-wolfram-desktop}
I'm confused about the differences among various Wolfram products. In
particular what is the relationship among Mathematica, Mathematica
Online, Wolfram Programming Cloud, and Wolfram Desktop?
Are ...
- asked by raxacoricofallapatorius (12 votes), answered by mfvonh (8
votes)
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[Find intersection of pairs of straight
lines]\url{http://mathematica.stackexchange.com/questions/51391/find-inters
ection-of-pairs-of-straight-lines}
I have a list of 24 points, in which 2 consecutive points (1st and 2nd,
3rd and 4th, ...) are supposed to form a line.
p1={{243.8, 77.}, {467.4, 12.}, {291.8, 130.}, {476., 210.5}, {103.2,
327.}, ...
- asked by seismatica (6 votes), answered by eldo (9 votes)
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[What is wrong about Abs[x]-a? Is it a
bug?]\url{http://mathematica.stackexchange.com/questions/51118/what-is-wron
g-about-absx-a-is-it-a-bug}
Why is the Out[74] not {1 - a, {x -> -1}}?
Maximize[{Sqrt[x^2] - a, -1 <= x <= 1}, x]
{1 - a, {x -> -1}}
- asked by fptan (6 votes), answered by RiemannZeta (4 votes)
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[Find the smallest positive integer that satisfies a certain
condition]\url{http://mathematica.stackexchange.com/questions/51086/find-th
e-smallest-positive-integer-that-satisfies-a-certain-condition}
I know Mathematica is really powerful when it comes to functional
operations like applying a list of tasks to a list of variables.
Sometimes I feel like it isn't the most powerful tool when it comes ...
- asked by cartonn (6 votes), answered by mfvonh (9 votes)
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[Why am I getting wildly incorrect results from
FirstPassageTimeDistribution with inexact transition
matrix?]\url{http://mathematica.stackexchange.com/questions/51018/why-am-i-
getting-wildly-incorrect-results-from-firstpassagetimedistribution-with>
)
Working on some large systems using DiscreteMarkovProcess, I changed the
transition matrix to machine precision vs using exact values, which sped
things up handily. The only problem was for edge ...
- asked by rasher (6 votes), answered by Bhuvanesh (4 votes)
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Greatest hits from previous weeks:
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[How many Christmas
gifts?]\url{http://mathematica.stackexchange.com/questions/39338/how-many-c
hristmas-gifts}
This question is based on the old song, The Twelve Days of Christmas
In a comment made on a recent question, Yves Klett remarked, "no
seasonal questions this year?" This reminded me of one I solved ...
- asked by m_goldberg (18 votes), answered by rm -rf (23 votes)
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[Generating visually pleasing circle
packs]\url{http://mathematica.stackexchange.com/questions/40334/generating-
visually-pleasing-circle-packs}
EDIT: I want to thank you all guys for this unexpected intellectual and
artistic journey. Hope you enjoyed as I did.
I would like to generate a circle pack that mimics this: (don't pay
attention on ...
- asked by VividD (60 votes), answered by level1807 (36 votes)
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Can you answer these?
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[Solve set of non-linear equations with least-squares-fitting -
constrain
results?]\url{http://mathematica.stackexchange.com/questions/51274/solve-se
t-of-non-linear-equations-with-least-squares-fitting-constrain-results}
I'm trying to solve a set of functions to determine the material
properties from a set of measurement values. (To set up this method I
just want to fit my model with some already calculated data).
My ...
- asked by dummesschaf (1 vote)
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[what is the best package/way to insert Mathematica code in latex
docs?]\url{http://mathematica.stackexchange.com/questions/51215/what-is-the
-best-package-way-to-insert-mathematica-code-in-latex-docs}
I know that this question is not about strictly mathematica issue, but I
think that in this site should be many pepople that use latex to
distribute mathematica source code/examples.
If the moderators ...
- asked by Mika Ike (1 vote)
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[How to force the compilation language to be C++ (not C) in
CreateExecutable or
CreateLibrary]\url{http://mathematica.stackexchange.com/questions/51012/how
-to-force-the-compilation-language-to-be-c-not-c-in-createexecutable-or-
c}
I'm trying to speed up a section of a Mathematica 9.0.1 notebook by
performing some calculations in C++ with the Cilk Plus and Threading
Building Blocks tools available for the Intel C++ 14.0 compiler ...
- asked by user15996 (4 votes)