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Jan
17
asked multivariate derivative of integrals
Dec
27
accepted Sufficient statistic for product of $\Gamma(x + a_i)$
Dec
22
comment How to remember the trigonometric identities
You can use the rotation matrix trick to get the angle addition formulas by using a different variable for each matrix.
Dec
6
revised Integrating $\int \frac{1}{1+e^x} dx$
added 22 characters in body
Dec
6
awarded  Popular Question
Dec
6
suggested rejected edit on True or false? $x^2\ne x\implies x\ne 1$
Nov
13
revised Beta function derivation
added 8 characters in body
Oct
18
revised What is combinatorics?
copyedited
Oct
18
suggested approved edit on What is combinatorics?
Oct
17
answered Parametric Equation of a Circle in 3D Space?
Oct
2
revised Integrating $\int \frac{1}{1+e^x} dx$
deleted 1 characters in body
Oct
2
answered Integrating $\int \frac{1}{1+e^x} dx$
Aug
5
awarded  Yearling
Jul
11
suggested rejected edit on Likelihood Ratio Test
Jun
28
comment Expectation of an event
@Gortaur: There are only 1001 states. See the linked answer. Looks like I made a mistake in my code; the answer is 2861...
Jun
28
comment Expectation of an event
Anyway, the answer is 2055.23... Looking forward to seeing if anyone can do this analytically.
Jun
28
comment Expectation of an event
@Gortaur: it means that you $j_1$ could equal $j_2$, etc.
Jun
28
comment Expectation of an event
This is easy to solve (exactly) with dynamic programming, but I'm not sure how to do it analytically.
Jun
28
revised Sufficient statistic for product of $\Gamma(x + a_i)$
deleted 2 characters in body
Jun
28
revised Sufficient statistic for product of $\Gamma(x + a_i)$
simplified text