TaoDefaultGMonitor

Default routine for monitoring progress of TaoSolve() with extra detail on the globalization method.

Synopsis

#include "petsctao.h" 
PetscErrorCode TaoDefaultGMonitor(Tao tao, void *ctx)

Collective

Input Parameters

• tao - the Tao context

• ctx - PetscViewer context or NULL

Options Database Key

• -tao_gmonitor - turn on monitoring with globalization information

Note

This monitor prints the function value and gradient norm at each iteration, as well as the step size and trust radius. Note that the step size and trust radius may be the same for some algorithms.

See Also

TAO: Optimization Solvers, Tao, TaoDefaultSMonitor(), TaoSetMonitor()

Level

advanced

Location

src/tao/interface/taosolver.c

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