Mark Eichenlaub
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 Dec 9 asked Solution to $\frac{\partial G}{\partial t}=(1-s)\left(-k_1G+k_2\frac{\partial G}{\partial s}\right)$ Nov 9 awarded Yearling Oct 11 accepted Why can I exchange the order of integration in a multiple Ito stochastic integral? Oct 10 comment Why can I exchange the order of integration in a multiple Ito stochastic integral? In the portion where I set W=s^2, I am not talking about stochastic integrals, but instead just a regular integral, so your criticisms do not make sense. Oct 10 comment Why can I exchange the order of integration in a multiple Ito stochastic integral? $(s+ds)^2 - s^2 = 2s ds + ds^2 = 2s ds$ Oct 10 asked Why can I exchange the order of integration in a multiple Ito stochastic integral? Oct 10 awarded Informed Sep 19 comment Demystify integration of $\int \frac{1}{x} \mathrm dx$ I wrote this blog post about it a while ago. arcsecond.wordpress.com/2011/12/17/… My blog says people followed a link from here to there, but I can't find that link on this page, so here it is. It takes a picture-based approach to the problem. Feb 17 awarded Popular Question Feb 14 awarded Popular Question Feb 9 awarded Great Answer Feb 4 awarded Good Answer Feb 2 answered Cannot understand this part from the textbook Jan 31 awarded Good Answer Jan 31 awarded Mortarboard Jan 31 comment Find five positive integers whose reciprocals sum to $1$ @gmline This wasn't supposed to be a method for enumerating all the answers or anything like that; just a way to approach it visually that might help for some kids. Jan 31 awarded Nice Answer Jan 31 answered Find five positive integers whose reciprocals sum to $1$ Nov 29 revised What's the expected value of a lottery ticket? spelling, minor edit Nov 29 accepted What's the expected value of a lottery ticket?