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A Partition Function Approximation Using Elementary Symmetric Functions

Figure 4

Accuracy as a function of system size.

Accuracy for the direct interaction algorithm (DIA) and the Metropolis Monte Carlo (MC) method as a function of system size (log-log scale). Accuracy is calculated as the RMS error relative to the exact value. The number of steps is chosen such that the computation time for the MC method is at least 10 times the computation time for the DIA (Table 1).

Figure 4

doi: https://doi.org/10.1371/journal.pone.0051352.g004