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Aug
4
revised the winding number for the circle map (Arnold tongue)
updated performance comparison
Aug
4
comment the winding number for the circle map (Arnold tongue)
Ok, put my timings there. (The original timings were different for me, so I exchanged all of them. Hope that's ok.)
Aug
4
suggested approved edit on the winding number for the circle map (Arnold tongue)
Aug
4
comment the winding number for the circle map (Arnold tongue)
That's not a fair comparison though, as ff[1/100,1/500] will compute the exact solution. Try ff@@SetPrecision[{1/100, 1/500}, 880];//AbsoluteTiming! For me the timing differences are negligible.
Aug
4
comment Making time-index dependent state-space models - where has the Kalman filter gone?
What exactly is the question? You are looking for KalmanEstimator I think. And StateSpaceModel is not new btw, it's been there since V8.
Aug
3
comment Why does Mathematica appear to change the head of certain expressions?
Mr.Wizard, do you have new insight in the problem with the short forms you linked to? You said in one of the comments you might post a partial solution at some point. I'm sure many people would be interested (including me)!
Aug
1
comment Dataset: cannot reproduce a basic example. A bug?
Works for me under Linux (both, directly evaluating the example in the docs and pasting this snippet)
Jul
31
comment How to group each element with each consecutive elements in one head
@Uh, I like the use of the new Composition operator! Also, I would have gone with MapIndexed too but maybe combined it with Outer(but I don't have Mathematica to test right now)
Jul
30
comment Minimum and maximum values under conditions
Damn you... ;-)
Jul
30
comment Minimum and maximum values under conditions
I think my new version is even faster though!
Jul
30
revised Minimum and maximum values under conditions
added 111 characters in body
Jul
30
comment Minimum and maximum values under conditions
Well that was just a matter of time, wasn't it... :)
Jul
29
answered Minimum and maximum values under conditions
Jul
28
comment Using ReplaceAll to replace a head
I find the last statement that "Replace [...] acts from the inside out" rather missleading. What about Replace[a[b[c, d]], head_[arg__] :> newHead[arg]]?
Jul
27
comment Best practice of passing a large number of parameters to functions
@Mr.Wizard I was referring to the latter case. Thx for the explanation!
Jul
27
comment Best practice of passing a large number of parameters to functions
@Mr.Wizard Can you explain to me why p:_Association:par does not work in this case? Is it because par does not match _Association in its unevaluated form?
Jul
26
comment How can I mend this broken heart?
@YvesKlett To be fair, it's one of the best titles on this site! Made me smile :)
Jul
25
awarded  Nice Question
Jul
23
revised Is there a list of Octave functions mapped to the related Mathematica one?
Corrected ones,zeros
Jul
23
comment Is there a list of Octave functions mapped to the related Mathematica one?
@Mr.Wizard Will do, I just wasn't sure what you'd want to do with solution 3 :) Anyway, I agree that it is probably really hard to maintain this list in a sensible way. MATLAB is heavily overloaded and Mathematica is too.