Example program for dsyevr
This example finds the eigenvalues with indices in the range
2
,
3
, and the corresponding eigenvectors, of the symmetric matrix
A
=
1
2
3
4
2
2
3
4
3
3
3
4
4
4
4
4
.
Information on required and provided workspace is also output.
f90 source code
Input data file
Expected results