NAG CPP Interface


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1 Description

This argument specifies whether the Hessian will be user-supplied (in hx) or approximated by e04st using a limited-memory quasi-Newton L-BFGS method
Used by: nps_p_hmode in e04stf.
CommE04RA::setter_nps_p_hmode returns a reference to the communication class itself.

2 Specification

CommE04RA HessianMode(std::string value = Default =‘’AUTO‘’ )
CommE04RA HessianMode(std::string value = Default =‘’AUTO‘’ , OptionalE04ZM opt)

3 Arguments

1: value std::string Scalar
On entry: the required value of the argument.
Default =‘’AUTO‘’
2: opt OptionalE04ZM Scalar
Optional argument container, derived from Optional.