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 Mar 29 awarded Popular Question Nov 13 awarded Popular Question Jul 20 awarded Notable Question Mar 23 accepted How to solve $f'(x) = k x \cdot f(x)$ Mar 18 comment How to solve $f'(x) = k x \cdot f(x)$ @Amzoti, if you post that comment as an answer I'll accept it Mar 18 asked How to solve $f'(x) = k x \cdot f(x)$ Sep 24 awarded Autobiographer Jul 2 awarded Curious Apr 2 awarded Promoter Apr 2 awarded Tumbleweed Mar 26 asked AUTO Software for ODE's: references or forums? Dec 23 comment Derive forward Euler method for two-variable function the function x(t0,x0) is a function of two variables, but it is expanded in only one of them. Dec 18 comment Derive forward Euler method for two-variable function Great answer. I knew of the geometrical interpretation, just needed assurance on the Taylor expansion. Dec 18 accepted Derive forward Euler method for two-variable function Dec 17 comment Derive forward Euler method for two-variable function @yoknapatawpha, edited, thanks! Dec 17 revised Derive forward Euler method for two-variable function Typo Dec 17 asked Derive forward Euler method for two-variable function Dec 15 accepted Prove that there are no fixed points in a non-autonomous system Oct 28 comment Prove that there are no fixed points in a non-autonomous system Maybe it's my understanding of fixed points that is somewhat lacking. Is it a necessary condition for a fixed point to occur that $\dot x_1 = 0, \dot x_2 = 0, ... \dot x_{n+1} = 0$? Oct 28 asked Prove that there are no fixed points in a non-autonomous system