Keyword : Rank-k

F06WCF	Rank- $k$ update of a real symmetric matrix, Rectangular Full Packed format
F06WQF	Rank- $k$ update of a complex Hermitian matrix, Rectangular Full Packed format
F06YPF	Rank- $k$ update of a real symmetric matrix
F06ZPF	Rank- $k$ update of a complex Hermitian matrix
F06ZUF	Rank- $k$ update of a complex symmetric matrix