Her2

Hermitian rank-two update: implicitly performs \(A := \alpha x y^H + \bar \alpha y x^H + A\), where only the triangle of \(A\) specified by uplo is updated.

C++ API

void Her2(UpperOrLower uplo, T alpha, const Matrix<T> &x, const Matrix<T> &y, Matrix<T> &A)

void Her2(UpperOrLower uplo, T alpha, const AbstractDistMatrix<T> &x, const AbstractDistMatrix<T> &y, AbstractDistMatrix<T> &A)

C API

ElError ElHer2_c(ElUpperOrLower uplo, complex_float alpha, ElConstMatrix_c x, ElConstMatrix_c y, ElMatrix_c A)

ElError ElHer2_z(ElUpperOrLower uplo, complex_double alpha, ElConstMatrix_z x, ElConstMatrix_z y, ElMatrix_z A)

ElError ElHer2Dist_c(ElUpperOrLower uplo, complex_float alpha, ElConstDistMatrix_c x, ElConstDistMatrix_c y, ElDistMatrix_c A)

ElError ElHer2Dist_z(ElUpperOrLower uplo, complex_double alpha, ElConstDistMatrix_z x, ElConstDistMatrix_z y, ElDistMatrix_z A)