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Feb
27
awarded  Yearling
Jan
9
revised Minimization/maximization of system of nonlinear equations
edited title
Jan
9
asked Minimization/maximization of system of nonlinear equations
Oct
15
asked Solution to a small system of nolinear ODEs
Sep
30
accepted Number of unique paths in a complete graph with n verticies
Sep
30
asked Number of unique paths in a complete graph with n verticies
Sep
16
answered Is the Library of Babel random? Does it contain information?
Aug
29
comment Given a spectrum, what can we know about its function?
@Wapiti Sure. I just happen to know this from my signals and systems background - I have a functional analysis textbook here which I read years ago and have forgotten most of, unfortunately. Hopefully someone more knowledgeable about such things can assist further as this is something I'm interested in as well...
Aug
29
comment Given a spectrum, what can we know about its function?
In addition, if the Laplace transform of a function has no roots in the right hand side of the complex plane, one can say definitively that the original function must in the limit be non-oscillating, i.e. it's not an infinite-energy signal.
Aug
29
comment Given a spectrum, what can we know about its function?
One thing I'm thinking about is for example in the case of the Laplace transform, one has the initial and final value theorems, where (under certain conditions) one can determine the asymptotic behavior of the original function by operating on the transform: fourier.eng.hmc.edu/e102/lectures/Laplace_Transform/node17.html And the Laplace transform is essentially a specific case of the Fourier transform.
Aug
28
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 $\sum_{n=0}^{\infty}\frac{J_n(n)}{n!}$
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Apr
6
awarded  Famous Question