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Nov
9
awarded  Yearling
Jul
10
awarded  Nice Answer
Jun
8
awarded  Nice Answer
Mar
12
accepted Why can't we interchange differentiation with taking a limit of a series of functions?
Feb
20
awarded  Nice Answer
Feb
13
comment Singing Bird Problem
@BrianM.Scott Yes, you're right, thanks. Tried a new answer.
Feb
13
revised Singing Bird Problem
added 288 characters in body
Feb
13
answered Singing Bird Problem
Jan
30
awarded  Necromancer
Jan
22
comment Can there be a cubical bubble?
@Rahul Ah, now I see. What I meant is that the performer made a roughly cubical compartment, but it is not perfect. I wanted to know if a perfect cube was mathematically possible, or whether, for example, the corners would always be a little rounded off.
Jan
21
comment Can there be a cubical bubble?
Great answer! Thanks for all the references.
Jan
21
comment Can there be a cubical bubble?
@Rahul Yup, that's what I wanted to know. I just don't really understand how your comment addressed the question. I think there is something about it I'm missing. (I'm not a mathematician.) Will Jagy's answer was pretty much what I wanted.
Jan
21
comment Can there be a cubical bubble?
@Rahul I don't understand, sorry. How does this address whether or not there can be a cubical bubble?
Jan
21
asked Can there be a cubical bubble?
Jan
12
comment How many ways can $b$ balls be distributed in $c$ containers with no more than $n$ balls in any given container?
Thank you. Yes, that was how I got that identity.
Jan
11
accepted How many ways can $b$ balls be distributed in $c$ containers with no more than $n$ balls in any given container?
Jan
11
asked How many ways can $b$ balls be distributed in $c$ containers with no more than $n$ balls in any given container?
Dec
17
comment Fourier transform for dummies
Thanks! I will check it out.
Nov
25
comment Point me the primordial and intuitive concepts about this operations on physics
For an intro to EM, "Electricity and Magnetism" by Purcell is what I used. It was great.
Nov
25
comment Point me the primordial and intuitive concepts about this operations on physics
Well, I'm a physicist and I think I understand electric charge pretty well, but that page still doesn't make sense to me. I suggest finding a better resource.