petsc-3.8.4 2018-03-24
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VecDotNorm2

 computes the inner product of two vectors and the 2-norm squared of the second vector

Synopsis

#include "petscvec.h" 
PetscErrorCode  VecDotNorm2(Vec s,Vec t,PetscScalar *dp, PetscReal *nm)
Collective on Vec

Input Parameter

s - first vector
t - second vector

Output Parameter

dp - s'conj(t)
nm - t'conj(t)

Notes: conj(x) is the complex conjugate of x when x is complex

See Also

VecDot(), VecNorm(), VecDotBegin(), VecNormBegin(), VecDotEnd(), VecNormEnd()

Keywords

vector, sqrt, square root

Level:advanced
Location:src/vec/vec/utils/vinv.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages