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# ML FF SIGV0 MB

Description: This flag sets the initial reverse noise parameter ${\displaystyle {\frac {1}{\sigma _{\mathrm {v} }^{2}}}}$ in the machine learning force field method.
For the optimization of the optimization of the reverse noise parameter ${\displaystyle {\frac {1}{\sigma _{\mathrm {v} }^{2}}}}$ see following section: On-the-fly machine learning force field generation using Bayesian linear regression.