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 stephenmalina.com
Matrix Potpourri - Stephen Malina
| | mattbaker.blog
Linear algebra over rings | Matt Baker's Math Blog
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| | Test your intuition: is the following true or false? Assertion 1: If $latex A$ is a square matrix over a commutative ring $latex R$, the rows of $latex A$ are linearly independent over $latex R$ if and only if the columns of $latex A$ are linearly independent over $latex R$. (All rings in this post...
| | francisbach.com
Playing with positive definite matrices - I: matrix monotony and convexity - Machine Learning Research Blog
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| | francisbach.com
Playing with positive definite matrices - II: entropy edition - Machine Learning Research Blog
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| | mkatkov.wordpress.com
On the density estimation | Crackpot Trisector Notes
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| For probability space $latex (\Omega, \mathcal{F}, \mathbb{P})$ with $latex A \in \mathcal{F}$ the indicator random variable $latex {\bf 1}_A : \Omega \rightarrow \mathbb{R} = \left\{ \begin{array}{cc} 1, & \omega \in A \\ 0, & \omega \notin A \end{array} \right.$ Than expected value of the indicator variable is the probability of the event $latex \omega \in...