Parameter for the MALA MCMC algorithm in MUQ
Specification
Alias: None
Arguments: REAL
Default: 1.0
Description
The step size parameter tau in the preconditioned Langevin proposal xCandidate = xCurrent + tau M grad ln pi(xCurrent) + sqrt(2 tau) M^{1/2} z, where M is the proposal covariance and z is a standard normal random variable.
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