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 Apr19 comment efficient computation of Cholesky decomposition during tridiagonal matrix inverse Thanks, however I am curious about an algorithm for computing $A^{-1} = L L^T$, especially assuming that $A$ is symmetric & block tridiagonal. Apr19 revised efficient computation of Cholesky decomposition during tridiagonal matrix inverse added 11 characters in body Apr19 asked efficient computation of Cholesky decomposition during tridiagonal matrix inverse Aug27 awarded Yearling Jan26 awarded Commentator Jan26 comment Change of variables question It might help to draw the function -- wolframalpha.com/input/?i=1%2F%28cos%28x%29%2B2%29 Jul23 comment Putting $n$ Things in $m$ Boxes Highly recommended that you try to compute the number explicitly for small examples in both cases (What 3 bikes and 2 warehouses, for instance? Can you find a pattern?). Feb12 answered How to prove the following entropy formula? Jan12 awarded Yearling Oct21 revised What does $\binom{-n}{k}$ mean? added 87 characters in body Oct21 answered What does $\binom{-n}{k}$ mean? Oct7 answered Meaning of the word 'linear' in mathematics Jul10 revised Need help with problem related to latitude and longitude coordinates typo, grammar, suggestion for clarified title Jul10 suggested approved edit on Need help with problem related to latitude and longitude coordinates Jul9 revised How can I determine the upper limit of Shannon Entropy? suggested tiny grammar/typo edits. Jul9 suggested approved edit on How can I determine the upper limit of Shannon Entropy? Jul8 comment Visualization of Cantor set by Mathematica or Maple! The CDF is maybe a bit easier to parse visually. See page 77 of [these lecture notes][1] by Gordan Zitkovic. [1]: ma.utexas.edu/users/gordanz/notes/theory_of_probability_I.pdf Jul5 revised Visualization of Cantor set by Mathematica or Maple! suggesting a clarified title Jul5 suggested approved edit on Visualization of Cantor set by Mathematica or Maple! Jul5 answered How many Fourier coefficients are enough ( in discrete fourier transform)