dspevd example program

This example computes all the eigenvalues and eigenvectors of the symmetric matrix

A

, where

A = (\begin{matrix} 1.0 & 2.0 & 3.0 & 4.0 \\ 2.0 & 2.0 & 3.0 & 4.0 \\ 3.0 & 3.0 & 3.0 & 4.0 \\ 4.0 & 4.0 & 4.0 & 4.0 \end{matrix}) .

Example program for dspevd