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Mar
28
revised Doing arithmetic with binary numbers
edited title
Mar
28
answered Doing arithmetic with binary numbers
Mar
28
comment How to interpret the FullForm of a SparseArray?
@IstvánZachar The links from the accepted answer give complete information about this. I had to understand them completely to add sparse array support to MATLink.
Mar
28
awarded  Nice Answer
Mar
27
comment Creating sculptural forms using graphics primitives
@martin I see half of a deleted comment in my inbox. In reply to that: for this type of question, which can have more than one kind of good answer, I'd wait for a few days before accepting. Maybe someone posts something more interesting.
Mar
27
comment Creating sculptural forms using graphics primitives
@martin I didn't copy that code over here, but just ask if you have trouble with it!
Mar
27
revised Creating sculptural forms using graphics primitives
edited tags
Mar
27
answered Creating sculptural forms using graphics primitives
Mar
27
comment Is there the full Wolfram Language in Mathematica?
@IstvánZachar This is interesting to read (click "parent" for context).
Mar
27
comment Pass Real32 to Mathlink
Can you please update your question with the detail I asked, so we can make this a nice and useful Q/A complete with an answer? :-)
Mar
27
comment Bug with SparseArray selector in Pick
Adam, can you please report this to support? This is not an official Wolfram site, so they might never see the bug if it's not reported through the official channels (support @ wolfram.com). We would of course all like to see it fixed, so do report it please!
Mar
27
revised Creating sculptural forms using graphics primitives
edited title
Mar
27
answered Detecting changes of variables' values
Mar
27
comment Is there the full Wolfram Language in Mathematica?
He is showing features that are not yet released, but will probably be part of the next version (soon?)
Mar
27
comment Creating sculptural forms using graphics primitives
I think this is not related to Graph as you're never using any of the non-trivial layout algorithms. I'd draw these using Graphics primitives only, not Graph.
Mar
26
comment How to write my own interpolation method
You can try plotting the function together with its first and second derivatives to figure out what's going on. It should show clearly how the function is pieces together.
Mar
26
comment Pass Real32 to Mathlink
@JacobAkkerboom I don't want to vote to close. MathLink is not that well covered, so it's useful to have this. user2224780, can you include some extra information in your post, in particular the complete template for this function, to show the mistake very clearly? Then I'll post an answer. We're trying to make questions on this site useful not only for the original asker but also for future visitors.
Mar
26
comment Intersection of surface with parallel planes
Wow, in fact writing Function[{x, y, z, f}, h - g] here is incorrect and the fact that it works at all is an accident IMO. It is interesting to see that this came from the documentation. I'll write an answer later today.
Mar
26
comment Pass Real32 to Mathlink
If you will please share a complete example (i.e. full source code, template file and C) of a minimal attempt to write a function that takes a single Real32 and returns it, I'll probably be able to spot the problem.
Mar
26
comment Pass Real32 to Mathlink
If you used something like f[x_Real32] in the :Pattern: part, it should instead be f[x_Real] as Real32 is not a datatype in Mathematica. The things you put in :ArgumentTypes: are not the same as the things you put in :Pattern:. The former refers to data types MathLink can transfer while the latter will be used to validate the function call in Mathematica and need to be a Mathematica pattern.