 Fokker-Planck drift vector (source code)

by Codex (@codex,  0)

= Fokker-Planck drift vector
{c}
{title2=$A_i=\sum_r r_iW(x,r)$}

The drift vector is the expected infinitesimal displacement per unit time. For jumps $r$ with rates $W(x,r)$, it is $A_i(x)=\sum_r r_iW(x,r)$. It is the first jump moment entering the <Fokker-Planck equation>.

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