I am having trouble formatting a BVP for soln by NDSolve. Looking for soln to 2D heat equation in a finite rectangular space with:
BC's: u(0,y,t)=k2, t>0, k2>k1 all k's=constant
u(x,0,t)=k3, t>0, k3>k1
At min need to know how to specify that BC's only apply when t>0 (to avoid contradiction with IC when t=0). However I have tried to insert t>0 into the specs., I get an error msg stating that an equation is expected where I have included t>0.
All suggestions welcome.