Let u be the general solution of Heat Equation: u, = ux: A) Show that the general solution of the cable equation: with a > 0, is given by: v(x, t) v, = vr – av, = e ""u(x,t), B) Let v be the general solution of the convection-diffusion equation: v, = vx with c >0. Show that u(x, t) = v(x + ct, t) %3D

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Let u be the general solution of Heat Equation: u, = ux
A) Show that the general solution of the cable equation:
v = ver - av,
with a > 0, is given by: v(x, t) = e "u(x,t),
B) Let v be the general solution of the convection-diffusion equation: v, = v -
cv, , with c > 0. Show that
u(x, t) = v(x + ct, t)
Transcribed Image Text:Let u be the general solution of Heat Equation: u, = ux A) Show that the general solution of the cable equation: v = ver - av, with a > 0, is given by: v(x, t) = e "u(x,t), B) Let v be the general solution of the convection-diffusion equation: v, = v - cv, , with c > 0. Show that u(x, t) = v(x + ct, t)
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