belisarius
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69,881
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 Nov5 answered Distributing identifiers Nov5 comment Finding duplicates in a list @mete I think this one is a dup. There was a question with some performance figures for different methods, but I can't find it now. Someone will ... Nov5 comment Finding duplicates in a list Length@Union@list1==Length@list1 for xample Nov4 comment The speed of Sum[] varies strangely @MathLind Well, I can't be sure, but it won't surprise me if it does Nov4 comment The speed of Sum[] varies strangely Total will most surely sum blindly, while Sum[] could use known properties (at least it will try when n is large enough) Nov4 comment How to get Python bindings to work on the Raspberry Pi I've started missing the days when the questions were answered by adding Evaluated -> True Nov4 comment Solve provides inter-dependent solutions not only variable dependent solutions IDK what you're doing but that depends on the dimension od the result space Nov3 comment Generate non-overlapping permutations If you want something inefficient: p := Array[RandomSample[l] &, 3];p //. h : {{__} ..} /; Times @@ (Tr /@ Abs /@ Differences /@ Transpose@h) == 0 :> p Nov3 comment Generate non-overlapping permutations I guess you want "three random permutations" Nov3 answered Fit to inverse function Nov3 answered Plotting Multiple Solve Functions Nov3 comment using elements from a matrix into a function Loops should be avoided in Mathematica when possible. And please read all the other answers while you're there. Nov3 comment Tough Calculation, novice mathematica user I posted this in a comment above. The OP said it isn't what s/he wants. (Although I'm not sure about what s/he really wants :( ) Nov3 comment Plot an intersection of surfaces Please at least write down your surfaces' equations in Mma syntax Nov3 comment Tough Calculation, novice mathematica user DSolve[-n bn[x]^2 == (x - n) bn[x] + x bn'[x], bn, x] Nov1 comment Simple pattern/texture on chart elements Some downvoters should ask for a mirror Nov1 comment Simple pattern/texture on chart elements @TysonWilliams Yes, but it won't scale well when you have more bars,and this one will. Nov1 answered Simple pattern/texture on chart elements Nov1 revised Simple pattern/texture on chart elements deleted 11 characters in body; edited title Nov1 revised Nested Recursion Equation added 4 characters in body