structName and noCorrelation, with the values
of the corresponding arguments to the method function, are appended to
object and its class is changed to summary.pdMat.## S3 method for class 'pdMat':
summary(object, structName, noCorrelation, \dots)pdMat, representing
a positive definite matrix.pdMat class. Default depends on the method function:
"Blocked" for pdBlocked,
"Compound Symmetry" for pdCompSymm, "Diagoprint.summary.pdMat. Default
depends on the method function: FALSE for pdDiag and
pdIdent, and TRUE foobject, with additional attributes
structName and noCorrelation, inheriting from class
summary.pdMat.print.summary.pdMat, pdMat