================================== Top new questions this week: ==================================
[Removing a histogram’s vertical edges]http://mathematica.stackexchange.com/questions/80949/removing-a-histograms-vertical-edges
Let’s say I have a histogram:
Histogram[RandomVariate[NormalDistribution[10, 2], 500]]
How can I remove vertical lines inside the histogram and keep only the edge?
- asked by moso (18 votes), answered by halirutan (12 votes)
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[Generating animations of clouds with Mathematica]http://mathematica.stackexchange.com/questions/80486/generating-animations-of-clouds-with-mathematica
I’d like to generate some visually-pleasing animations of clouds, fog or smoke with Mathematica. My idea of "visually-pleasing" is along the lines of one of the images on the Wikipedia article for ...
- asked by blochwave (17 votes), answered by Simon Woods (18 votes)
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[Better way to visualize cylinder puzzle solution]http://mathematica.stackexchange.com/questions/80902/better-way-to-visualize-cylinder-puzzle-solution
The above puzzle has been a recent source of amusement in my clique.
I decided to provide a visualization to motivate solution (here):
My code:
s[x_] := Piecewise[{{4 Mod[x, 3]/3, ...
- asked by ubpdqn (13 votes), answered by Jens (21 votes)
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[Mathematica 10.1.0.0 (OS X) high CPU usage even for empty notebook]http://mathematica.stackexchange.com/questions/80630/mathematica-10-1-0-0-os-x-high-cpu-usage-even-for-empty-notebook
Since update to 10.1.0.0 Mathematica has a high CPU usage even when no evaluation is running (even for empty notebook opened). I am running OS X Yosemite 10.10.3 on the following configuration:
...
- asked by Honza Drchal (11 votes), answered by BlBl (0 votes)
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[Right Ascension and Declination in astronomical functions] http://mathematica.stackexchange.com/questions/80787/right-ascension-and-declination-in-astronomical-functions
In the process of answering this question, I was forced to confront the various astronomical coordinate systems used by Mathematica.
Background
In astronomy, positions of celestial objects (stars, ...
- asked by Virgil (10 votes), answered by Virgil (12 votes)
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[Can’t inject EncryptedObject] http://mathematica.stackexchange.com/questions/80763/cant-inject-encryptedobject
Here are minimal examples:
encryptedObj = Encrypt["pass", "TestCase"]; Decrypt["pass", encryptedObj] (*returns correct "TestCase"*) With[{x = encryptedObj}, Button["Try with", Decrypt["pass", ...
- asked by Kuba (10 votes), answered by WReach (7 votes)
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[Difference between Fitting Algorithms] http://mathematica.stackexchange.com/questions/80998/difference-between-fitting-algorithms
I am new to Mathematica, and I don’t quite understand, what the difference between the fitting algorithms Fit, FindFit, LinearModelFit, NonLinearModelFit are. Why is the syntax so different (\(1,x,x^2\) ...
- asked by Luca Thiede (9 votes), answered by MarcoB (10 votes)
================================== Greatest hits from previous weeks: ==================================
[How to make Jacobian automatically in Mathematica] http://mathematica.stackexchange.com/questions/5790/how-to-make-jacobian-automatically-in-mathematica
If we have two vectors, a and b, how can I make Jacobian matrix automatically in Mathematica?
$$ a=\left( \begin{array}{c} \text{x1}^3+2\text{x2}^2 \\ 3\text{x1}^4+7\text{x2} \end{array} $$
- asked by George Mills (19 votes), answered by Jens (26 votes)
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[Is there an open source implementation of Mathematica-the-language?] http://mathematica.stackexchange.com/questions/4454/is-there-an-open-source-implementation-of-mathematica-the-language
I’ve seen questions before such as "What is the best open-source equivalent for Mathematica?", but that specific question (and that line of inquiry in general) cares more about the computer algebra ...
- asked by sblom (59 votes), answered by Simon (50 votes)
================================== Can you answer these? ==================================
[Easy FindMaximum returns a wrong answer] http://mathematica.stackexchange.com/questions/81065/easy-findmaximum-returns-a-wrong-answer
FindMaximum in region is a new function in mma10,but when I tried the following example:
region = Polygon[{{0, 0}, {10, 0}, {10, 5}, {5, 5}, {5, 10}, {0, 10}}] FindMaximum[{x + y, {x, y} \[Element] ...
- asked by WateSoyan (2 votes)
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[Diverging solution to coupled second order ODEs from NDSolve] http://mathematica.stackexchange.com/questions/80692/diverging-solution-to-coupled-second-order-odes-from-ndsolve
For a physics application I am considering the radial Bogoliubov-de Gennes equations in two dimensions. In dimensionless form they read as follows
$$ \begin{cases} ...
- asked by Funzies (3 votes)
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[Does "FiniteRingData" or something like that exists?] http://mathematica.stackexchange.com/questions/81009/does-finiteringdata-or-something-like-that-exists
I want to find a function like FiniteGroupData but for finite rings. Does something like that exists?
- asked by kp9r4d (1 vote)