slepc-3.6.3 2016-03-29
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# BVAXPY

Computes Y = Y + alpha*X.

### Synopsis

    #include "slepcbv.h"
    PetscErrorCode BVAXPY(BV Y,PetscScalar alpha,BV X)

Logically Collective on BV

### Input Parameters

| Y,X | - basis vectors
| alpha | - scalar

### Output Parameter

Y - the modified basis vectors

### Notes

X and Y must be different objects, with compatible dimensions. The effect is the same as doing a VecAXPY for each of the active columns (excluding the leading ones).

### See Also

BVMult(), BVSetActiveColumns()

Location: src/sys/classes/bv/interface/bvops.c
Index of all BV routines
Table of Contents for all manual pages
Index of all manual pages