Reverse the diffusion of people in to d u / d t = -Au: dv -=v-w dt and dw dt = w -v. The
Chapter 6, Problem 5(choose chapter or problem)
Reverse the diffusion of people in to d u / d t = -Au: dv -=v-w dt and dw dt = w -v. The total v + w still remains constant. How are the .A's changed now that A is changed to -A? But show that vet) grows to infinity from v(O) = 30.
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