info prev up next book cdrom email home

Positive Semidefinite Matrix

A Matrix ${\hbox{\sf A}}$ is positive semidefinite if

\begin{displaymath}
({\hbox{\sf A}}{\bf v})\cdot {\bf v} \geq 0
\end{displaymath}

for all ${\bf v} \not= 0$.

See also Positive Definite Matrix




© 1996-9 Eric W. Weisstein
1999-05-26