8.14 September 24, 2013
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Top new questions this week:
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[Reconstruct text pages cut by
shredder]\url{http://mathematica.stackexchange.com/questions/32612/reconstr
uct-text-pages-cut-by-shredder}
Q1: I have a page of printed text file, but it was cut by a paper
shredder (from top to bottom). You can download all the paper fragment
here. There are some examples of them. How can I reconstruct ...
- asked by mm.Jang (24 votes), answered by Kuba (20 votes)
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[Generate a Random
Polygon]\url{http://mathematica.stackexchange.com/questions/32767/generate-
a-random-polygon}
Does some package exist with a function that takes a parameter $n$ and
generates a random 2D $n$-sided simple polygon (convex or non-convex),
possibly within a certain bounding box?
It does not ...
- asked by Herng Yi (13 votes), answered by Simon Woods (7 votes)
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[How to examine the structure of Graphics
objects]\url{http://mathematica.stackexchange.com/questions/32716/how-to-ex
amine-the-structure-of-graphics-objects}
One difficulty I'm encountering in studying the structure of Graphics
objects is that I have not yet found a way to print or display such
structure that is sufficiently general.
The FullForm of ...
- asked by kjo (12 votes), answered by Hector (11 votes)
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[Size distribution of nanoparticles from a transmission electron
microscopic
image]\url{http://mathematica.stackexchange.com/questions/32830/size-distri
bution-of-nanoparticles-from-a-transmission-electron-microscopic-imag}
I have found a research article about Martian sand grain size
determination from the image using Mathematica (Figure 2 in the linked
article). They have not provided any detail of the methodology. It ...
- asked by Uttam Pal (11 votes), answered by RM1618 (16 votes)
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[Slideshow mode: how to cycle slides
automatically?]\url{http://mathematica.stackexchange.com/questions/32768/sl
ideshow-mode-how-to-cycle-slides-automatically}
I'm doing a slideshow for an informative conference, so I need a
slideshow running in background on some monitors.
My question is: is there any way to make Mathematica to cycle slides
automatically?
...
- asked by markus (11 votes), answered by Hector (7 votes)
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[What's the cleanest functional-programming style way to perform this
list
operation?]\url{http://mathematica.stackexchange.com/questions/32675/whats-
the-cleanest-functional-programming-style-way-to-perform-this-list-opera
t}
I am looking for the correct method for accomplishing the unknown piece
in the following code snippet:
rolls = Tuples[Range[1, 4], {2}]
{{1, 1}, {1, 2}, {1, 3}, {1, 4}, {2, 1}, {2, 2}, {2, 3}, {2, ...
- asked by Techrocket9 (11 votes), answered by RunnyKine (6 votes)
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[Solving Killing
equations]\url{http://mathematica.stackexchange.com/questions/32843/solving
-killing-equations}
Is it possible to solve Killing equations in Mathematica for a general
vector?
I am looking for a way to create Killing equations and then find what
the vectors are, but I have a problem with this.
...
- asked by dingo_d (10 votes), answered by Daniel Lichtblau (11 votes)
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Greatest hits from previous weeks:
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[xkcd-style
graphs]\url{http://mathematica.stackexchange.com/questions/11350/xkcd-style
-graphs}
I received an email to which I wanted to respond with a xkcd-style
graph, but I couldn't manage it. Everything I drew looked perfect, and I
don't have enough command over PlotLegends to have these ...
- asked by Amatya (387 votes), answered by Simon Woods (256 votes)
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[How to compile
effectively?]\url{http://mathematica.stackexchange.com/questions/1803/how-t
o-compile-effectively}
What are the best practices of compiling functions? I understand that
this is a vague question, but let me list some aspects that might
trigger useful answers. Some of these have already been answered ...
- asked by Istvan Zachar (65 votes), answered by Leonid Shifrin (60
votes)
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Can you answer these?
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[NDSolve and memory
usage]\url{http://mathematica.stackexchange.com/questions/32640/ndsolve-and
-memory-usage}
After some googling, i've found similar problems around, but didn't find
a 100% satisfactory answer, so let me ask here:
I'd like to solve a 1+1 problem using the method of lines. In spherical
...
- asked by Paolo (3 votes)
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[How to simplify really complicated symbolic
expression?]\url{http://mathematica.stackexchange.com/questions/32759/how-t
o-simplify-really-complicated-symbolic-expression}
I have an expression that contains Sinh[x], Cosh[x] and Sin[g], and I
want to simplify it into an easier form, based on the physics situation
(I am doing some general relativity calculation), I know ...
- asked by Jason (1 vote)
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[When should I begin a new line for more readable
code]\url{http://mathematica.stackexchange.com/questions/32870/when-should-
i-begin-a-new-line-for-more-readable-code}
After a quick coding, I often try a lot of line feeds patterns on it.
And no matter how much I do, there's seems to be no end in sight.
Front end automatically indents the code, but I cannot fully ...
- asked by asoldat (4 votes)