656 reputation
512
bio website itr.unisa.edu.au/~mckillrg
location
age
visits member for 4 years, 8 months
seen Dec 3 at 3:14

Jul
28
revised More multinomial type integrals over the hypercube
deleted 114 characters in body
Jul
28
comment More multinomial type integrals over the hypercube
As I said the $x_i^2$ gets in the way. If is was just two multinomials, one to power $k$, the other to power $m$, there would be no problem, you would get $\exp(tx + sx)$ and everything would work out nicely as before. Perhaps I have missed something though. How do you intend to use the integral of $\exp(tx^2 + sx)$ (which has no closed form solution as far as I am aware) taken to the power of $n$ to efficiently compute the answer?
Jul
28
asked More multinomial type integrals over the hypercube
Jul
24
comment A Book You Would Like to Write
How about you just apply Hofstadter's Law: "It always takes longer than you expect, even when you take into account Hofstadter's Law."
Jun
15
revised Random Walks in $Z^2$/$Z^2$-intrinsic characterization of Euclidean distance Part II
just fixing dead figure links. Should be permanent links now!
Jun
15
revised How to find a closest integer point to intersection of two lines?
just fixing dead figure links. Should be permanent links now!
Jun
15
revised Estimating direction from a distribution on a circle
deleted 21 characters in body
Jun
15
revised Estimating direction from a distribution on a circle
deleted 25 characters in body
May
10
accepted Integrating the multinomial over a hypercube
May
9
asked Integrating the multinomial over a hypercube
Apr
16
awarded  Yearling
Dec
12
comment When is the function of a median closer to the median of the function than the mean of the function is to the function of the mean?
Do you mean to take absolute values? As in $|\mu (f(x)) - f(\mu (x))| > |m (f(x)) - f(m (x))|$?
Dec
6
comment Sequential sampling of Gaussian and von Mises-Fisher Random Variable
I like the updated part of this question +1. I recommend deleting the first part (However, don't do this if you have some specific reason not too). If you don't mind me asking, in what application does this problem occur? Also, what justifies your use of the von Mises Fisher distribution here?
Dec
1
comment Nonlinear circle fit with known radius
There is a big literature on this. Typing 'circle fitting' into google with give you a lot of resources. Most of the approaches I know of deal with estimating both the center and the radius, but they could easily be adapted to estimate just the center if that is what you want. Your question is probably more appropriate for CrossValidated stats.stackexchange.com/questions. You might have better luck there.
Oct
17
revised Estimating direction from a distribution on a circle
fixed typos
Oct
16
comment Estimating direction from a distribution on a circle
Oh yes! I much prefer Herman Wouk's ryhming version ''When in danger or in doubt, run in circles, scream and shout'' anyway. Thanks!
Oct
16
revised Estimating direction from a distribution on a circle
added 495 characters in body
Oct
15
revised Estimating direction from a distribution on a circle
removed silly typo
Oct
15
answered Estimating direction from a distribution on a circle
Oct
15
comment Estimating direction from a distribution on a circle
I think, due to the symmetry, it essential does act in a linear way. I'm pretty sure I can describe very accurately how well your estimator will work. I'll post this as an(other) answer a bit later.