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answered Logarithm of the dot product of two vectors.
23h
asked Comparison of bivariate generating functions
Aug
15
comment Solving linear constrained optimization problem
@JohanLöfberg You're right, in this case at least, all unknowns must be positive, as current cannot flow from a lower potential to a higher potential.
Aug
15
comment Solving linear constrained optimization problem
@A.G. Thank you, I had heard of linear programming, but I was under the impression that such a method was more appropriate in cases of inequality constraints, rather than strict equality constraints...though perhaps this is academic as I guess whatever algorithm free/commercial software is using can likely handle both.
Aug
15
asked Solving linear constrained optimization problem
Aug
2
awarded  Notable Question
Jul
17
comment Fourier transform of Bessel functions
Thank you! I receive your notification. I'm not able to use this site as much as I'd like these days unfortunately, but your answer is great.
Jun
25
awarded  Notable Question
May
16
comment Evaluating $\sum_{n=0}^{\infty}\frac{J_n(n)}{n!}$
Unfortunately, I don't see how this leads to the evaluation of a closed form.
May
16
revised Evaluating $\sum_{n=0}^{\infty}\frac{J_n(n)}{n!}$
added 2 characters in body
Apr
6
awarded  Famous Question
Mar
11
comment Similar function to Sinc function?
@Sebastian Do you have a particular application for this required function in mind?
Mar
11
comment Similar function to Sinc function?
@Sebastian That's true. I think the difference is that while the spherical Bessel functions can be expressed in terms of elementary functions, the regular Bessel functions can only be expressed as power series/integral, etc.
Mar
11
comment Similar function to Sinc function?
The Bessel function of the first kind of order 0, $J_0(x)$ has this property.
Mar
11
comment How to Evaluate $\int\frac1{x \ln x+ 7 \ln x} \,\mathrm dx$
An elementary antiderivative for this function doesn't seem to exist.
Mar
11
asked Analytic solution to wave equation on a hollow cylinder
Feb
27
awarded  Yearling
Jan
15
comment Algorithm for finding “fact families”
@MarioCarneiro Ok, I understand what you mean.
Jan
15
comment Algorithm for finding “fact families”
@MarioCarneiro if a better algorithm cannot be found it might also be an interesting problem to see if a bound on the number of sets with exactly k digits under n could be determined
Jan
15
comment Algorithm for finding “fact families”
@MarioCarneiro Well, I'm assuming that it's not possible to store the sets. In terms of computationl efficiency, as the algorithm is brute force, I'm also assuming that while we don't know the specific O of this there is probably no worse algorithm for generating the sets other than say the random "bogo sort" approach