Let u= u(x, t) solve the wave equation; show that v = v(x, t) defined by vir, t) = Arkt Sue2 u(s, I)e-3+2/(4kt) ds solve
Posted: Wed Mar 09, 2022 9:19 am
Let u= u(x, t) solve the wave equation; show that v = v(x, t) defined by vir, t) = Arkt Sue2 u(s, I)e-3+2/(4kt) ds solves the heat equation vi = kurr