# HESSENBERG matrix function

## Description

HESSENBERG(**A**) generates a Hessenberg matrix for the square matrix **A**. An (upper) Hessenberg matrix has zero entries below the first subdiagonal. The Hessenberg matrix of **A** has the same eigenvalues as **A**.

## Calculator

## See also

## Recommended book

## Matrix Algebra Useful for Statistics

Shayle R. Searle, Andre I. Khuri

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This book addresses matrix algebra that is useful in the statistical analysis of data as well as within statistics as a whole. The material is presented in an explanatory style rather than a formal theorem-proof format and is self-contained.