Ben Alpert
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 Apr13 comment Can (x'y' + xy) be simplified? @Brandon: You should probably write that as an answer. Apr13 comment Draw customized (calculus) graphs like these? Not sure whether to flag it, but I have enough rep to retag stuff so I got rid of the graph-theory tag. Apr13 revised Draw customized (calculus) graphs like these? edited tags Apr12 suggested rejected edit on Probability of having at least 'k' marbles specific to each of 'm' bags filled by sampling with replacement Mar31 comment Interpreting “lying on the parabolas” Out of curiosity, how do you get Mathematica to make that? Mar27 revised On deriving the arclength of a hyperbola Just formatting. Mar27 suggested approved edit on On deriving the arclength of a hyperbola Mar20 comment Numbers satisfying $\binom{n}{k} = m!$ I just wrote a script and I don't believe there are any others up to 13! (except of course $\binom{n}{0}$ and $\binom{n}{1}$). Mar20 revised expected area of a triangle determined by randomly placed points fix formatting again Mar20 suggested approved edit on expected area of a triangle determined by randomly placed points Mar20 revised expected area of a triangle determined by randomly placed points fixed formatting Mar20 suggested approved edit on expected area of a triangle determined by randomly placed points Mar20 revised Non-Standard Deviation absolute value instead of diff() Mar20 awarded Organizer Mar20 revised Salt concentration as a function of time edited tags Mar20 suggested approved edit on Non-Standard Deviation Mar20 comment Is $\nu_1\perp\nu_2$ equivalent to $|\nu_1|\perp|\nu_2|$ for complex measure? You may want \perp instead of \bot; the spacing is better with \perp. Mar20 revised Quicksort with Trivalued Logic angle brackets were being screwy and confused Mar20 suggested approved edit on Quicksort with Trivalued Logic Mar5 answered Why is the 2nd derivative written as $\frac{\mathrm d^2y}{\mathrm dx^2}$?