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Post Closed as "Not suitable for this site" by Ben McKay, user44191, Alexandre Eremenko, Jan-Christoph Schlage-Puchta, Dylan Thurston

1st First order partial differential equation

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user135936
user135936

1st order partial differential equation

I know there is a solution to this pde

$$\partial_{t} f(t,x)= \partial_{x}(v(x)f(t,x))$$ $$ f(0,x)=g(x)$$ ( Where $v$ and $g$ are known functions) which is given by $$ f(t,x)=\frac{1}{v(x)} h(t+\int \frac{1}{v(x)})$$ where $h(x)$ is determined by initial condition $g(x)$.

The question is if I use the method of characteristic would it give me the same solution with this initial condition?