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Jun
12
revised Trying to Visualize a Collatz - The Collatz conjecture
added 41 characters in body
Jun
12
answered Trying to Visualize a Collatz - The Collatz conjecture
Jun
10
comment VoronoiMesh without edges
+1 for playing with tricks where others have to do the dirty work. Are there other specifiers like "Interior" that one should know about?
Jun
10
comment Open-source IntelliJ IDEA plugin to support Mathematica development
@murray I'm using it without problems under the latest Yosemite. What exactly is the problem? Do you refer to using the plugin or developing the plugin? AFAIK all IDEA plugins must be compiled with Java 1.6
Jun
9
comment Using Cylindrical coordinates with Graphics3D
@David See my edit at the end of the answer. I hope this helps.
Jun
9
comment Using Cylindrical coordinates with Graphics3D
@chuy I explicitly didn't use it because I wouldn't have been able to explain why this doesn't work: CoordinateTransform["Cylindrical" -> "Cartesian", {0, 0, 0}]. My initial version contained CoordinateTransform and I was really surprised that it choked upon every point where r is zero. Any clues?
Jun
9
revised Using Cylindrical coordinates with Graphics3D
added 1913 characters in body
Jun
9
comment Different results of the integrate $\int \frac{\sin (\pi s)}{(s-0.5)^2+90} \,ds$?
In 10.1 on Linux, the Integrate call runs just fine and gives the same result that you obtained.
Jun
8
answered Using Cylindrical coordinates with Graphics3D
Jun
3
comment Finding the discrete Fourier transform for a simple oscillator?
Unfortunately (because your question is written in great detail) this is no discussion for mathematica.stackexchange. What you have here is a basic problem of Digital Signal Processing. Therefore, I think it is best to move the question there, although I'm pretty sure it is a duplicate.
Jun
2
revised How to improve performance of BesselJ to the level of GSL?
"Libraries" option is a string
Jun
2
comment How to improve performance of BesselJ to the level of GSL?
Btw, you do realize that (if the C program is your own) with your knowledge of C it is a simple task to create your own LibraryFunction that calls the GLS code? Check this tutorial and all the references.
Jun
2
comment How to improve performance of BesselJ to the level of GSL?
I deleted my answer since it doesn't actually compute the Bessel function. Nevertheless, the advice to use packed arrays and prefer listable functions still holds.
Jun
2
comment Ordering in noncommutative multiply
@Jip I tried to give some further explanation in the end of my answer. Please see the edit.
Jun
2
revised Ordering in noncommutative multiply
added 943 characters in body
Jun
2
answered Ordering in noncommutative multiply
Jun
1
awarded  Good Answer
Jun
1
revised ContourPlot has weird Jagged line
edited body
Jun
1
comment Problem with Compile and Flatten
@bobthechemist No, I'm not aware of any official documentation. In the linked Q&A, I gave a reference to a MathGroup message of Daniel Lichtblau. Additionally, there are some threads on SO about it, but no official documentation.
Jun
1
comment Problem with Compile and Flatten
@ShutaoTang Yes, Most[{0}] is equivalent to {}, but with this, Mathematica has the chance to see that I want an integer-list. This is the whole purpose. I'm not aware of any different way to make this kind of type-inference work. If you leave this out, then the created Bag will be of type Real.