PETSc version 3.17.4
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# 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 | - LMVM matrix
| delta | - initial value for diagonal scaling

### Level

intermediate

### Location

src/ksp/ksp/utils/lmvm/symbrdn/symbrdn.c
Index of all KSP routines
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Index of all manual pages