Stiffness in stochastic chemically reacting systems: The implicit tau-leaping method
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- 22 December 2003
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 119 (24) , 12784-12794
- https://doi.org/10.1063/1.1627296
Abstract
We show how stiffness manifests itself in the simulation of chemical reactions at both the continuous-deterministic level and the discrete-stochastic level. Existing discrete stochastic simulation methods, such as the stochastic simulation algorithm and the (explicit) tau-leaping method, are both exceedingly slow for such systems. We propose an implicit tau-leaping method that can take much larger time steps for many of these problems.Keywords
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