slepc-3.14.2 2021-02-01
Report Typos and Errors

# NEPApplyAdjoint

Applies the adjoint nonlinear function T(lambda)^* to a given vector.

### Synopsis

    #include "slepcnep.h"
    #include "slepcbv.h"
    PetscErrorCode NEPApplyAdjoint(NEP nep,PetscScalar lambda,Vec x,Vec v,Vec y,Mat A,Mat B)

Collective on nep

### 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 | - Function matrix
| B | - optional preconditioning matrix

### See Also

NEPSetSplitOperator(), NEPComputeFunction(), NEPApplyFunction()

Location: src/nep/interface/nepsolve.c

### Examples

src/nep/tutorials/ex42.c.html
Index of all NEP routines
Table of Contents for all manual pages
Index of all manual pages