<html><head><style>p{margin-top:0px;margin-bottom:0px;}</style></head><body><div style="font-size:14px; font-family:Gulim,굴림,sans-serif;"><div>Dear user,</div><div><br></div>Looking at the calculation process, the eigenvalue problem is solved for each k-point to find the bands.<div>If the number of plane waves at each k-point, npw(k), is 10,000, and the desired number of bands is 100, does the program completely diagonalize 10,000 × 10,000 and select 100, or does it partially find only the 100 lowest-energy eigenvalues?</div><div><br></div><div>Best regards'</div><div>GiMyung Park</div><div>Yonsei University</div></div></body></html><table style='display:none'><tr><td><img src="https://mail.naver.com/readReceipt/notify/?img=3YRR1XImW4nmM6urKxmsMrU9MqCoFzEZK43opobZFrMmFqC4FqJ0tzFXp6UmKxK5W4dQaXkqpBiqtzwGbX3q7NJ9M6ld%2B6dRpBFmb4kqbrY5WXiN.gif" border="0"/></td></tr></table>