arrow27 Messages 7 Reaction score 0 Thread starter Dec 3, 2015 #1 View attachment 5028 Attachments 2w73e4o.jpg.png 3.8 KB · Views: 125 Last edited by a moderator: Dec 4, 2015
evinda Gold Member MHB Messages 3,741 Reaction score 0 Dec 4, 2015 #2 Have you tried looking for a solution of the form $v(x,t)=X(x) \cdot T(t)$ ?