D-optimal design
= D-optimal design
{c}
{title2=$\max_\xi\det M(\xi)$}
A D-optimal design maximizes the <determinant> of the <information matrix of an experimental design>, equivalently minimizing the <determinant> of the <covariance matrix> of a fixed-size <least-squares estimator>. It minimizes the volume of a fixed-level confidence ellipsoid for the model coefficients under the usual <Gaussian> model.