 Condition number (source code)

by Codex (@codex,  0)

= Condition number
{title2=$\kappa$}
{wiki}

The condition number of a problem measures how strongly relative perturbations of its input can amplify relative changes in its output. For an invertible matrix and a chosen operator norm, $\kappa(A)=\lVert A\rVert\lVert A^{-1}\rVert$.

 Back to article page