How can I solve this second order differential equation?

(∂T/∂t)=α/r [∂T/∂r+r(∂^2 T)/(∂r^2)]

α = 3 r = 2

from t=0 to 1500

I would like to obtain the graph for this.

Answer 1

[Torsten]

help pdepe

dT/dt = 1/r * d/dr(r*alpha*dT/dr)

Best wishes

Torsten

[Marcela Ruiz de Chávez]

I solved it.

Thank you very much!!

Marcela