This function reads in all of the information contained in the .hes file. Some is needed for relaxing the covariance matrix, while the rest is recorded and rewritten to file as ADMB expects.
getADMBHessian(File = getwd(), FileName = "admodel.hes")
Directory in which .hes file is located. Defaults to the working directory.
Name of .hes file. Defaults to admodel.hes.
A list with elements num.pars, hes, hybrid_bounded_flag, and scale.