mkolar

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bio	website	mkolar.coffeejunkies.org
	location	Pittsburgh, PA
	age	29
visits	member for	2 years, 7 months
	seen	Nov 3 '12 at 0:04
stats	profile views	76

A fourth year PhD student in Machine Learning Department at Carnegie Mellon University.

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16 Questions

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9	How to compute the angle between two vectors expressed in the spherical coordinates?
7	How to compute the change in the angle between two unit norm vectors as the $\ell_1$ norm of one vector changes?
4	Bounding $\\|(X'X)^{-1}X'\mathbf{1}\\|_{\infty}$ in probability
4	Upper bound on the l1 norm of a multivariate normal random variable
3	Is a dot product between two independent multivariate Gaussian random variables also Gaussian random variable?

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5 Answers

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2	What does it mean to do MLE with a continuous variable
2	$f(x) = f(x-1)*b \to f(x) = c_1 b^{x-1}$
1	Probability of observed data in a HMM
1	Probability of an observation message
1	Find formula from values

25 Tags

4 probability × 9	2 recursive-algorithms
2 homework × 2	2 statistics
2 wolfram-alpha	1 machine-learning
2 algorithms	1 functions
2 recurrence-relations	1 approximation

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3 Accounts

$Mathematics Stack Exchange$	Mathematics	337 rep	110
	Area 51	156 rep	1
	Cross Validated	147 rep	9

11 Badges

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Benefactor	Teacher
Popular Question	Autobiographer
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Commentator	Editor
Yearling	Scholar

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