What is the name of the following equation?
$$f_t = \nabla \cdot(a(f) \ \nabla f)$$
of course , if we removed the dependency of $a$ on $f$ then we would have the heat equation.
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Does $f_t $ denote partial derivative of $f $ w.r.t. $t $? – md2perpe Sep 09 '18 at 15:24
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yes!. Sorry I should have made that clear. – Sep 09 '18 at 15:42