Hessenberg matrix
= Hessenberg matrix
{c}
{wiki}
An upper Hessenberg matrix has zero entries below the first subdiagonal; the lower version has zero entries above the first superdiagonal. The <upper Hessenberg matrix> is one of these two forms.
= Hessenberg matrix
{c}
{wiki}
An upper Hessenberg matrix has zero entries below the first subdiagonal; the lower version has zero entries above the first superdiagonal. The <upper Hessenberg matrix> is one of these two forms.