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1d
comment Preventing Power from evaluating principal value
perhaps simpler (but also not as "controllable" maybe) PowerExpand@Power[e^(2 I \[Pi]), (1/2)] /. e -> E
1d
comment Preventing Power from evaluating principal value
somewhat cumbersome: PowerExpand[Inactivate[(E^(2 I \[Pi]))^(1/2), Times]] // Activate
Jul
23
comment Identify a scalar, a list
check out MatrixQ
Jul
23
comment New AssociationThread forms in 10.2?
I would report to support@wolfram.com as a bug. Either the docs or the function is wrong.
Jul
16
comment Converting a Table to a Dataset
I actually like @Szabolcs' answer in the comments much better
Jul
16
answered Converting a Table to a Dataset
Jul
16
comment Converting a Table to a Dataset
this is pretty long too: Dataset[tbl][All, AssociationThread[col, Range[Length[col]]]]
Jul
10
answered On a strange pattern of triangular numbers in Ulam's spiral
Jul
9
comment How to extract the time t of an interpolated function created by NDSolve?
what @Guesswhoitis says. also see here
Jul
2
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]]]
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
25
revised Evaluating a Series expansion of PolyLog function
added the dp
Jun
24
answered How can I solve an equation independent of a variable?
Jun
23
answered Why can't Mathematica DSolve my equation?
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