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Simplistic Classification of Quadrics


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z overview

Starting from the equation of a quadric

$\displaystyle Q:\quad x^{\operatorname t}A x + 2b^{\operatorname t}x + c =0
$

let

\begin{displaymath}
\tilde{A} = \left(
\begin{array}{c\vert c}
c & b^{\operatorname t}\\
\hline
b & A
\end{array}\right)\,.
\end{displaymath}

$ Q$ is called


[Examples] [Links]

  automatically generated 7/13/2018