.. _method-bayes_calibration-muq-dili-hess_tolerance:

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hess_tolerance
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Parameter for the DILI MCMC algorithm in MUQ



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**Specification**

- *Alias:* None

- *Arguments:* REAL

- *Default:* 1.0e-4


**Description**


The lower bound on eigenvalues used to construct the low-rank approximation of the global expected Hessian. The default value is '1.e-4'.