# yohbs

 Dec 1 awarded Nice Question Nov 9 awarded Popular Question Oct 18 comment general solution for a 4th order PDEI don't know what you mean. Do you have the initial conditions, i.e. $W(x,t=0)?$ Oct 18 comment Does this series converge? Can I use a rearrangemt to prove it doesn't?@EpicGuy Indeed Oct 18 comment Does this series converge? Can I use a rearrangemt to prove it doesn't?\begin{align} \frac{2}{3}-\frac{1}{3}&=\frac{1}{3}\\ \frac{2}{4}-\frac{1}{4}&=\frac{1}{4}\\ \frac{2}{5}-\frac{1}{5}&=\frac{1}{5}\\ \end{align} Oct 18 comment general solution for a 4th order PDEWhy would you drop the cross derivative term $d^2w/dxdt$? Oct 16 answered general solution for a 4th order PDE Oct 16 answered are all dynamical systems described by differential equations? Oct 7 awarded Supporter Oct 7 awarded Scholar Oct 7 accepted Accessing mysql DB remotely Oct 7 awarded Student Oct 5 asked Accessing mysql DB remotely Oct 1 accepted HTML Template parsing in web2py Sep 30 asked HTML Template parsing in web2py Sep 25 comment Intersection points of two circles."Every point on the line $y=x+1$ solve both equations". This statement is false. For example, $x=0,y=1$ solves neither. Sep 22 awarded Famous Question Sep 17 answered Show that if $a \mid bc$,then $a \mid \gcd(a,b)\gcd(a,c)$. Sep 17 comment Does a finite game that cannot be drawn imply a winning strategy exists?Hint: think of the finite game tree, and try to build a strategy from the leaves, rather than the root. Aug 30 awarded Nice Question