Jimmy C
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 Feb 11 awarded Popular Question Oct 6 accepted Probability of two stochastic variables being equal Oct 5 asked Probability of two stochastic variables being equal Sep 7 awarded Yearling Jun 9 revised Calculate pairwise cosine distance only returning the lower triangular matrix edited tags Jun 9 comment Calculate pairwise cosine distance only returning the lower triangular matrix @Paul I updated the question to make it a bit more clear that I'm looking for an alternative cosine calculation that would only calculate the lower triangular matrix rather than the full symmetric matrix. Jun 9 revised Calculate pairwise cosine distance only returning the lower triangular matrix added 52 characters in body Jun 9 comment Calculate pairwise cosine distance only returning the lower triangular matrix @Paul I thought about whether this was a programming or math question, but since it is more about the method of calculation than the implementation, I was thinking it was indeed more of a math question. Do you disagree? Jun 9 asked Calculate pairwise cosine distance only returning the lower triangular matrix Apr 23 accepted Is there an easy way to find the sign of the determinant of an orthogonal matrix? Mar 1 comment Using Lagrange multipliers to find shortest distance between two straight lines Thanks, but as @user84413 mentioned, it should be solved using Lagrange multipliers. Mar 1 revised Using Lagrange multipliers to find shortest distance between two straight lines added current thoughts Mar 1 asked Using Lagrange multipliers to find shortest distance between two straight lines Jan 15 asked Does pointwise multiplication of two vectors have a geometric interpretation? Nov 18 revised Is there a symmetric alternative to Kullback-Leibler divergence? added 1 character in body Nov 18 asked Is there a symmetric alternative to Kullback-Leibler divergence? Oct 10 asked What is the difference between multinomial and categorical distribution? Sep 29 awarded Commentator Sep 29 comment How can I show that $\begin{pmatrix} 1 & 1 \\ 0 & 1\end{pmatrix}^n = \begin{pmatrix} 1 & n \\ 0 & 1\end{pmatrix}$? This was rather enlightning, thanks for such a late answer! Sep 24 awarded Autobiographer