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Sep
10
revised What format can Image3D be exported to?
added 8 characters in body
Sep
10
answered What format can Image3D be exported to?
Sep
9
comment Missing: KeyGroupBy?
A simplification of my version, GroupBy[Normal[data], PrimeQ@*First, Association]. Also, thanks for posting!
Sep
9
comment Path must include /TypeSystemLoader.m?
Since WB 3.0 is not yet released, you should probably report such problems to Wolfram Research directly. If it's a bug, they need to know about it so they can fix it.
Sep
9
comment Issue with very large lists in Mathematica
@AlexeyPopkov I didn't forget, but it was late at night and I wasn't clear enough. My point was that I see a linear increase which is exactly what one would expect.
Sep
9
comment Missing: KeyGroupBy?
@Mr.Wizard I wasn't going for speed at all and it's a minimal modification. Also, I'm not particularly confident in this area yet.
Sep
9
comment Issue with very large lists in Mathematica
Thanks, this is much easier to follow.
Sep
9
comment Changing BarLegend border style
I'm really glad you asked this. I needed this in the past but I never had the time and persistence to solve it. The problem is that if I really need it then I usually don't have time to find a good solution. It's a bit paradoxical, but it's sometimes easier to solve other people's problems than our own.
Sep
9
comment Issue with very large lists in Mathematica
I tried to test access times like this: arr = Table[RandomInteger[10, 5].x^Range[5], {1000000}]; Table[AbsoluteTiming@Do[arr[[i]], {i, Length[arr]}], {10}] I see a linear increase as arr grows. However, the very first time to iterate through the array is much slower than subsequent times.
Sep
9
comment Changing BarLegend border style
Got the solution thanks to your hint!
Sep
9
answered Changing BarLegend border style
Sep
9
comment Missing: KeyGroupBy?
You can consider replacing AssociationMap[First[#] -> # &] by Normal. Here's my right-to-left version: Association /@ GroupBy[PrimeQ@*First] @ Normal[data]
Sep
8
comment How to ask Mathematica to imitate Andy Warhol's pop-art painting?
@shrx Are you using the very latest RPi release? (Just curious, I don't have the RPi handy at the moment.)
Sep
8
revised Only String Keys supported in Dataset's Association Query?
added 4 characters in body
Sep
8
comment Cannot install prebuilt cddmathlink on mathematica
The other reason is that the steps will differ for each operating system, so I recommend you mention your OS.
Sep
8
comment Cannot install prebuilt cddmathlink on mathematica
To build it from source, first you need to learn how to build a simple MathLink program. Take a look at the developer guide for your OS, e.g. here: reference.wolfram.com/language/tutorial/… and try to build the addtwo example. Once you succeed with that, you can try building the cdd library. This will take considerable effort if you've never compiled MathLink programs before, and it would still take quite a bit of time for someone who has. This is likely why no one has taken the time yet to compile this library and show it step by step.
Sep
8
comment Cannot install prebuilt cddmathlink on mathematica
What operating system are you using? At what point precisely does Mathematica hang? The binaries look very old and are for Linux and OS X only. They very likely will not work on modern versions of these operating systems. You will need to build it from source.
Sep
8
comment Sum with Levi-Civita
Instead of LeviCivitaTensor[...][[mu,nu,alpha,beta]] you can use Signature[{mu,nu,alpha,beta}].
Sep
8
comment Show graphics content in front of frame
Related question also using these options
Sep
8
revised Show graphics content in front of frame
added 148 characters in body