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1d
comment Limit of Nested Radical $\sqrt{1+\sqrt[2!]{2^2+\sqrt[3!]{3^3+…}}}$
s[n_]:=Sqrt[1 + Fold[(#2^#2 + #1)^(1/#2!) &, 0, Range[n, 2, -1]]]
2d
comment Error message: ArcTan called with 0 arguments; 1 or 2 arguments are expected
What is the FullForm of your expression? Also: are you sure you really want the range from -100 to 100? That's a mighty steep slope at t=100.
Jun
30
comment What options need to be set for Simplify to perform a certain manipulations similar to FullSimplify?
you might want to check out the option TimeConstraint. For example FullSimplify[expr, TimeConstraint -> 1]
Jun
29
comment Factoring the imaginary unit
perhaps a crime against codemanity: factorI[expr_] := I Inactive[Plus] @@ (ComplexExpand[ReIm[expr]] {-I, 1})
Jun
22
comment I have the minimum Y value. I want to find the corresponding X value from the list
@halirutan I can't disagree that it should be the fastest.
Jun
22
comment I have the minimum Y value. I want to find the corresponding X value from the list
TakeSmallestBy[data, Last, 1]
Jun
19
comment How to implement a custom random process object?
It's akin to how RandomVariate takes a dist. dist is a distriubtion.
Jun
19
comment How to implement a custom random process object?
TransformedProcess?
Jun
19
comment How to implement a custom random process object?
proc is the process
Jun
18
comment Why is Thread[{ a, b }] the same as Transpose[{ a, b }]?
Look at Thread[f[a,b]] then %/.f->List.
Jun
17
comment List command separating multiplicative terms
In Wolfram Language there is a VERY big difference between ab and a b. The first is the symbol ab the second is really a*b. When talking about your problem, it would help a great deal to be clear EXACTLY what inputs and outputs you expect.
Jun
11
comment Convert List of Airport Codes to Entities
also Interpreter["Airport"][airports]
Jun
9
comment Using Cylindrical coordinates with Graphics3D
@halirutan Those are singular points. If you use the "Mapping" form it doesn't perform the check to see if the point obeys the coordinate range assumptions for that chart. Similarly CoordinateTransform["Spherical" -> "Cartesian", {r, 0, 0}] would give the same message.
Jun
9
comment vector product defined on kronecker delta
Or even delta[v1_, v2_] := Boole[Equal[v1, v2]]...
Jun
9
comment vector product defined on kronecker delta
Maybe something like delta[v1_, v2_] := Times @@ MapThread[Boole[Equal[##]] &, {v1, v2}]. I am not sure I understand the question.
Jun
9
comment Transparent bitmaps in controllers. Problem with initial appearance
yep, I would say its a front end bug...perhaps a workaround can be found by fiddling with styesheets
Jun
9
comment Transparent bitmaps in controllers. Problem with initial appearance
I understand now, thanks for the clarification.
Jun
9
comment Using Cylindrical coordinates with Graphics3D
For mapping you could also use: transform = CoordinateTransformData["Cylindrical" -> "Cartesian", "Mapping"]
Jun
8
comment Interpreter fails to parse Numbers and Percents
Is there a question here? If you want a place to simply post issues you encounter, I suspect that Wolfram's Community site would be the more appropriate place.
Jun
5
comment Integral evaluation error
Ah never mind... the MWE of your problem really is: NIntegrate[ x NIntegrate[x y, {y, 0, 1}], {x, 0, 1}]