NAG Library Manual, Mark 27

Interfaces: FL CL CPP AD

NAG CPP Interface Introduction

Namespace: nagcpp

Namespace: opt

Class: CommE04RA

Method: setter_optp_trst

NAG CPP Interface
opt::CommE04RA::setter_optp_trst

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NAG Library Manual, Mark 27

Interfaces: FL CL CPP AD

NAG CPP Interface Introduction

Namespace: nagcpp

Namespace: opt

Class: CommE04RA

Method: setter_optp_trst

▸▿ Contents

1 Description

2 Specification

3 Arguments

© The Numerical Algorithms Group Ltd. 2020

1 Description

ρ_{beg}

, the initial trust region radius

Used by: optp_trst in e04fgf, e04jdf (no CPP interface) and e04jef (no CPP interface).

CommE04RA::setter_optp_trst returns a reference to the communication class itself.

2 Specification

DFOStartingTrustRegion(double value = Default =0.1 )

DFOStartingTrustRegion(double value = Default =0.1 , OptionalE04ZM opt)

3 Arguments

1: $value$ – double Scalar: On entry: the required value of the argument.; Default:
Default $= 0.1$
2: $opt$ – OptionalE04ZM Scalar: Optional argument container, derived from Optional.

© The Numerical Algorithms Group Ltd. 2020