MatLMVMSymBroydenSetDelta

Sets the starting value for the diagonal scaling vector computed in the SymBrdn approximations (also works for BFGS and DFP).

Synopsis

#include "petscksp.h" 
PetscErrorCode MatLMVMSymBroydenSetDelta(Mat B, PetscScalar delta)

Input Parameters

• B - MATLMVM matrix

• delta - initial value for diagonal scaling

See Also

KSP: Linear System Solvers, MATLMVMSYMBROYDEN

Level

intermediate

Location

src/ksp/ksp/utils/lmvm/symbrdn/symbrdn.c

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Index of all KSP routines
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