Reputation
80,386
Next tag badge:
98/100 score
25/20 answers
Badges
9 117 264
Newest
 Nice Answer
Impact
~845k people reached

Dec
22
comment Trace two DateListPlots?
What do you mean by "trace"?
Dec
22
comment Is there a LogBeta function like the LogGamma?
@becko I haven't thought about that. The question is about the complete beta (I guess). Let me see, but it seems a different problem.
Dec
22
comment Is there a LogBeta function like the LogGamma?
@OleksandrR. Done, but not sure if it's constructive. In any case logbeta[] is now available when googling the site :)
Dec
22
comment How to select a list from a list?
@minthao_2011 Select[lst, (9 == Length[Union @@ #] && Times @@ (Union @@ #) != 0 &)]
Dec
22
answered Is there a LogBeta function like the LogGamma?
Dec
22
comment Sum over multiple indices
@QuantumDot Certainly not.
Dec
22
comment Sum over multiple indices
@Eleven-Eleven Just define sum[n_, k_] := Sum[whatever[i, k], {i, idxs[n, k]}]and keep the definitions of my last snippet
Dec
22
comment Is there a LogBeta function like the LogGamma?
Beta[a,b]==Gamma[a] Gamma[b]/Gamma[a+b] So logBeta[a_, b_]:= LogGamma[a] + LogGamma[b] - LogGamma[a+b]
Dec
22
comment Sum over multiple indices
@QuantumDot Not sure, but may be because of the ReplaceAll
Dec
22
revised Sum over multiple indices
added 526 characters in body
Dec
22
revised Sum over multiple indices
rolled back to a previous revision
Dec
22
revised Sum over multiple indices
added 542 characters in body
Dec
21
comment Sum over multiple indices
@QuantumDot yup, editing, thanks
Dec
21
revised Sum over multiple indices
deleted 893 characters in body
Dec
21
comment Sum over multiple indices
@Eleven-Eleven Give me a few minutes
Dec
21
revised Sum over multiple indices
added 486 characters in body
Dec
21
comment How to select a list from a list?
@minthao_2011 You're welcome. Please edit your question to make it easier to understand for future readers
Dec
21
comment Random Variate from a transformed Distribution
Please, when you see good questions and answers, vote them up by clicking the gray triangles, because the credibility of the system is based on the reputation gained by users sharing their knowledge. Also, please remember to accept the answer, if any, that solves your problem, by clicking the checkmark sign!
Dec
21
comment Random Variate from a transformed Distribution
@Jim Sorry, I don't understand what you mean by "w is distributed by 3"
Dec
21
answered Sum over multiple indices