nag_lapackeig_zheevx (f08fpc) Example Program Data 4 :Value of n -2.0 2.0 :Values of vl and vu (1.0, 0.0) (2.0, -1.0) (3.0, -1.0) (4.0, -1.0) (2.0, 0.0) (3.0, -2.0) (4.0, -2.0) (3.0, 0.0) (4.0, -3.0) (4.0, 0.0) :End of matrix A