1,380 reputation
514
bio website quantum.at
location Vienna, Austria
age
visits member for 2 years, 7 months
seen 16 mins ago

PhD student in Theoretical Physics

Research interests include Quantum Optomechanics and Quantum Optics


Aug
21
comment Integral converging in M9 but not in M10
I can't reproduce your problem with ParallelTable. On the other hand I don't understand the significance of Quit here. In what order should I evaluate which commands? Can you elaborate pls?
Aug
21
comment V10 interface problems
I'm on Linux and I've been experiencing (1) for many versions and still do, so I'm pretty much used to it. I think it's a problem with the graphics toolkit they are using. For me the text field is restored when I click into the general area where it's supposed to be. I can also confirm (3), but again, I've had that problem in earlier versions.
Aug
20
comment Why isn't Lookup treated like other symbols?
You seem to misunderstand what ´TempHead /: Lookup[t1_TempHead, t2_TempHead]´ actually does (which caused some confusion for RunnyKine and m_goldberg, see below): It adds a definition to (the UpValues) of ´TempHead´, not to ´Lookup´. That's why unprotecting ´Lookup´ doesn't help of course.
Aug
20
comment Integral converging in M9 but not in M10
Of course it can, you are changing the state of your Mathematica session after all. I would suggest that you go through your code step by step and see which symbols/expressions evaluate to something unexpected. Start from the bottom and work your way up. I don't think, however, that someone will do this work for you.
Aug
20
comment Integral converging in M9 but not in M10
@Zet I can confirm Michael's observation that this code gives the desired result on V9 and V10 (on Linux, but it's very unlikely this makes a difference)
Aug
20
comment Integral converging in M9 but not in M10
@Zet Did you restart your kernel?
Aug
20
comment Algebraic expressions on pure functions
Just curious, why are you making the postfix/prefix distinction?
Aug
17
comment A problem about generating `[]` automatically
Not an answer to the original question, but you can change keybindings as described here
Aug
14
comment Avoid creation of OwnValues when inserting transformation rules into Experimental`OptimizeExpression
Also, I'm not sure why you are saying that you can't keep the assignments localised. Block[{a,b,c,d},Experimental`OptimizeExpression[{list1/.Rule->Set,list2/.Rule-‌​>Set}][[1,2]]] of course does exactly that.
Aug
14
comment Avoid creation of OwnValues when inserting transformation rules into Experimental`OptimizeExpression
Just another shot in the dark and much along the same lines as @DanielLichtblau's answer (but much less sophisticated)... Do you like something like this better? Solve[Join[list1, list2] /. Rule -> Equal, {a, b, c, d}]
Aug
12
comment Elegant way to do series expansion around x+$\epsilon$
@Pickett Oh well, you convinced me...
Aug
12
comment How can I write a function which takes another function of a variable and the variable itself as arguments and gives a list of critical points?
As you can see in the answer below, you shouldn't add this condition. In fact you must not, otherwise your function would only evaluate for constant functions. BTW If you reply comments use something like @TobiasNash, this notifies the corresponding member.
Aug
12
comment How can I write a function which takes another function of a variable and the variable itself as arguments and gives a list of critical points?
Maybe you could add why the OP shouldn't use critpts[f_,x_]/;f'[x]==0 as he was trying to do?
Aug
12
comment Elegant way to do series expansion around x+$\epsilon$
@Pickett If I'm honest, I wasn't (and still not am) really sure if this question would survive, as this is a pretty trivial use of Series
Aug
12
comment Elegant way to do series expansion around x+$\epsilon$
Ups, I just realized this should have been Series[p[x+ex,y-ey,t],{ex,0,1},{ey,0,1}] or just Series[p[x+e,y-e,t],{e,0,1}]
Aug
12
comment How can I write a function which takes another function of a variable and the variable itself as arguments and gives a list of critical points?
Because if you mean points where the derivative is 0, then your condition doesn't make a lot of sense...
Aug
12
comment How can I write a function which takes another function of a variable and the variable itself as arguments and gives a list of critical points?
Could you pls explain what you mean by critical points?
Aug
12
comment Elegant way to do series expansion around x+$\epsilon$
What's wrong with Series[p[x+e,y-e,t],{e,0,1},{e,0,1}] or Series[p[xx,yy,t],{xx,x,1},{yy,y,1}]?
Aug
12
comment How can I write a function which takes another function of a variable and the variable itself as arguments and gives a list of critical points?
Take a look at Solve
Aug
8
comment Strange behaviour of UpSet
@TeakeNutma Lol, sorry for that :)