matrix

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

Specification

• Alias: None

• Arguments: None

Description

When specifying the MCMC proposal covariance in an input file, 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 values 1.0 0.1
                          0.1 2.0