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Aug
17
comment Nasty integral advice
You can try asking on math.stackexchange. You might get some pointers on how to proceed. Some of the guys on there are real integral wizards. See e.g. math.stackexchange.com/questions/562694/…
Aug
11
comment How to write a TraditionalForm for non-commutatively multiplied objects
Very nice. I managed to consolidate your answer into a one-liner: Format[NonCommutativeMultiply[x__], TraditionalForm] := HoldForm@Times[x] (after unprotecting)
Aug
4
comment Global` context not empty at startup in v10.2.0
Would you know if it is possible to modify one of the Mathematica installation files to make these symbols private, so they don't show up in the Global context?
Jul
25
comment The fastest way of raising indices of high rank tensor
aw :( buy upgrade
Jul
25
comment The fastest way of raising indices of high rank tensor
I think the built-in function TensorContract will be helpful to you.
Jul
25
comment The fastest way of raising indices of high rank tensor
I ran your code as is, but I get a bunch of errors. dim is not specified and Fup, g is not initialized as an array, etc. Please add the additional information.
Jul
10
comment Composition vs serial assignment, which performs better?
@march I haven't tried it by composing everything together. It would take me a very long time. So I thought I would ask on here before starting... (and besides if I tried it, I would get the answer; so why would I bother asking?)
Jul
10
comment Composition vs serial assignment, which performs better?
@belisarius yes that is a better title; it is changed.
Jun
12
comment How to canonically reorganize a list using only a limited set of manipulations?
I'd never heard of PermutationCylces, PermutationGroup and GroupElements. Very handy functions!
Jun
9
comment Is there an easy way to let mathematica print out every Erfc and InverseErfc as F and F^{-1}
I would like to point you to a similar question I wrote about a different function Dot. I hope it will help: mathematica.stackexchange.com/questions/63147/…
May
25
comment How to program efficient undershoot/overshoot
I have mathematica 9, and I can't get your solution to work for any value of $k$ except for 0.4. I always get "stiff system" errors.
May
20
comment Unexpected behavior of WhenEvent in NDSolve?
Headslap! Yes.. you're right.
Feb
9
comment How to get approximate (decimal) output for ArcCosh[e^x]
Capitalize the 'e'.
Jan
24
comment Maximize[Cos[x - 1], x] is not evaluated
I see same behavior on 9.0.1 MacOS X 10.9.5
Jan
16
comment How do I localize an assignment to expression (instead of symbol) within scoping construct?
Related: mathematica.stackexchange.com/questions/71881/…
Jan
16
comment What is the purpose of Internal`LocalizedBlock?
@Mr.Wizard I guess I'm not familiar enough with Inherited`LocalizedBlock to provide a confident answer. Maybe I'll add it in the comments section.
Jan
16
comment What is the purpose of Internal`LocalizedBlock?
So would Internal`LocalizedBlock be an answer to this question: mathematica.stackexchange.com/questions/64673/…
Jan
7
comment Transform Root objects into Trigonometric expressions
@Vladimir I never really appreciated the possibility that roots of polynomials may be expressed as trig functions of rational multiples of $\pi$. Would you know where I can read more about this possibility?
Jan
3
comment Ruth-Aaron quadruple challenge
Would it be feasible to search for the tulples using the GPU with its multitude of cores? e.g. via CUDALink or something like it?
Dec
31
comment Format Exp[] in output
@Mr.Wizard How about adding a LeafCount conditional to MakeBoxes as in: MakeBoxes[E^arg_, form_] := RowBox[{"Exp", "[", ToBoxes[arg, form], "]"}] /; LeafCount[arg] >= 10. Then E^Sqrt[x] formats differently than E^Sqrt[x^2+y^2]. Would you say this is objectionable?