8.18 August 27, 2013
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Top new questions this week:
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[Cropping a Voronoi
diagram]\url{http://mathematica.stackexchange.com/questions/31187/cropping-
a-voronoi-diagram}
Someone know how can I get the correct crop of this Voronoi image using
RegionFunction?
As you can see, there is a lot of undesired white regions inside the
left polygon.
Some clue on how to correct ...
- asked by Murta (12 votes), answered by Kuba (7 votes)
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[Automatically close
Mathematica]\url{http://mathematica.stackexchange.com/questions/30974/autom
atically-close-mathematica}
It seems there are a lot of related topics but I haven't found an
answer.
I want to automatically quit Mathematica after some procedures are done
but dialog window appears:
1 + 1;
...
- asked by Kuba (11 votes), answered by John Fultz (11 votes)
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[Encrypt the password used for
SendMail]\url{http://mathematica.stackexchange.com/questions/30836/encrypt-
the-password-used-for-sendmail}
I want Mathematica to send me an email when the computation is finished.
To that end, I have a cell with SendMail[...] which I place behind my
computation in the evaluation queue. The problem I have ...
- asked by simsurace (11 votes), answered by Murta (10 votes)
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[Detecting and correcting gradational brightness variations in a
grayscale
image]\url{http://mathematica.stackexchange.com/questions/30823/detecting-a
nd-correcting-gradational-brightness-variations-in-a-grayscale-image}
I am trying to quantify the proportions of various components in a
greyscale image (backscattered electron image of a polished rock
sample).
Here is the original image:
bse = ...
- asked by geordie (10 votes), answered by Simon Woods (5 votes)
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[Select and
Blank]\url{http://mathematica.stackexchange.com/questions/30970/select-and-
blank}
I try to filter sublists of a list which match a pattern.
test = {{"String1", "a"}, {"String2", "b"}, {"String3",
"a"}, {"String4", "a"}};
The result should be:
result = {{"String1", "a"}, ...
- asked by RMMA (8 votes), answered by halirutan (13 votes)
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[Cannot find the maximum value of a
function]\url{http://mathematica.stackexchange.com/questions/31032/cannot-f
ind-the-maximum-value-of-a-function}
Consider the following function:
$a Sin(x)+b Cos(x)$
I tried to obtain the maximum value of this function using MaxValue[]:
MaxValue[a Sin[x] + b Cos[x], x, Reals]
I expect Mathematica to return ...
- asked by M6299 (7 votes), answered by george2079 (3 votes)
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[How can I draw a grid behind graphics without using
Plot?]\url{http://mathematica.stackexchange.com/questions/31114/how-can-i-d
raw-a-grid-behind-graphics-without-using-plot}
I want to a show simple vector summation but I don't know how to draw a
grid behind the vectors. I am pretty sure I can do it with Mathematica
but how?
It should look like this:
- asked by Serkan (7 votes), answered by Mr.Wizard (15 votes)
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Greatest hits from previous weeks:
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[Using the Mathematica front-end efficiently for editing
notebooks]\url{http://mathematica.stackexchange.com/questions/8310/using-th
e-mathematica-front-end-efficiently-for-editing-notebooks}
Background:
I have used Vim for 15+ years. There is a certain "one"-ness with the
editor one achieves. Emacs users also experience this. Notepad users do
not.
My current interaction with the ...
- asked by user1602 (40 votes), answered by rm -rf (38 votes)
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[How can this image (optical illusion) be created with
Mathematica?]\url{http://mathematica.stackexchange.com/questions/24148/how-
can-this-image-optical-illusion-be-created-with-mathematica}
I came across this image the other day:
and liked the sensation of it pulsing. I was wondering if anyone would
know how to create something similar with Mathematica (without the Pink
Floyd Dark ...
- asked by Mike Honeychurch (32 votes), answered by halirutan (48 votes)
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Can you answer these?
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[Assign variables from list inside With or
Module]\url{http://mathematica.stackexchange.com/questions/30847/assign-var
iables-from-list-inside-with-or-module}
I have found that it is possible to assign variables from lists, as
follows.
In[1]:= r = {1, 2, 3};
In[2]:= {a, b, c} = r;
In[3]:= b
Out[3]= 2
However, if I try to do this within a With or Module ...
- asked by Gyppo (2 votes)
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[Is there a way to speed up Simplify and/or PolynomialReduce Modulus->
2?]\url{http://mathematica.stackexchange.com/questions/31029/is-there-a-way
-to-speed-up-simplify-and-or-polynomialreduce-modulus-2}
I'm trying to simplify a series of equations with at most 64 input
terms. As the number of terms involved in the equations increase, the
runtime seems to grow exponentially.
Does anyone know of ways ...
- asked by botnet (1 vote)
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[FrontEndTokens, MathLink, and
Serializer.exe]\url{http://mathematica.stackexchange.com/questions/31118/fr
ontendtokens-mathlink-and-serializer-exe}
I have been using some basic MathLink programming in my work and wanted
to create some more sophisticated MathLink programs. I came across the
book "MathLink: Network Programming with Mathematica", ...
- asked by user2694879 (2 votes)