NEPApplyAdjoint#
Applies the adjoint nonlinear function T(lambda)^* to a given vector.
Synopsis#
#include "slepcnep.h"
PetscErrorCode NEPApplyAdjoint(NEP nep,PetscScalar lambda,Vec x,Vec v,Vec y,Mat A,Mat B)
Collective
Input Parameters#
nep - the nonlinear eigensolver context
lambda - scalar argument
x - vector to be multiplied against
v - workspace vector (used only in the case of split form)
Output Parameters#
y - result vector
A - (optional) Function matrix, for callback interface only
B - (unused) preconditioning matrix
See Also#
NEPSetSplitOperator(), NEPComputeFunction(), NEPApplyFunction()
Level#
developer
Location#
Examples#
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