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How can I solve this second order differential equation?

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Marcela Ruiz de Chávez
评论： Marcela Ruiz de Chávez 2015-4-28
(∂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.

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Torsten
Torsten 2015-4-28
help pdepe
dT/dt = 1/r * d/dr(r*alpha*dT/dr)
Best wishes
Torsten

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