GUESS_VECTOR

Guess vector type. Accepted values are UNIT for a unit vector guess NUM_ROOTS and NUM_INIT_VECS must both be 1); H0_BLOCK to use eigenvectors from the H0 BLOCK submatrix (default); DFILE to use NUM_ROOTS previously converged vectors in the D file;

• Type: string
• Possible Values: UNIT, H0_BLOCK, DFILE
• Default: H0_BLOCK