Neil G
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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