Fig. 7.

Convergence of stochastic to deterministic system. Mean Euclidean distance over J=100 SSA runs, \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\overline{d(200)}$\end{document} at time t=200 s, after the stimulus. Simulation parameters as in Fig. 6, except for W. (W is varied to obtain different total copy numbers.) This plot shows convergence of the stochastic system to macroscopic predictions as we increase the number of molecules