The difference between the Heat and Diffusion equation ?

  • #1

Main Question or Discussion Point

the difference between the Heat and Diffusion equation ?!!

Please:

What is the difference between the Heat and Diffusion equation ?!!

thank you.
 

Answers and Replies

  • #2
HallsofIvy
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There is no difference. They are just different names, referring to different applications, for the same type of equation: more formally, a parabolic PDE.
 
  • #3


There is no difference. They are just different names, referring to different applications, for the same type of equation: more formally, a parabolic PDE.

thank you very much

but I mean the difference case of the coefficient k of the second derivative of u with respect to x

If k > 0 .................

If k < 0 .................
 

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