matrix

Specifies the full matrix format when importing a user-specified proposal covariance.

Specification

• Alias: None

• Arguments: None

Description

When importing the MCMC proposal covariance from a user-specified filename, this keyword declares the use of a full matrix format, i.e., the user provides all values of the matrix, not just the diagonal. The matrix must be symmetric, positive-definite.

Examples

method,
        bayes_calibration queso
         samples = 1000 seed = 348
          dram
          proposal_covariance
            matrix filename 'dakota_cantilever_queso.matrix.dat'