Slightly off-topic from the original question, but is there a reason that most programs don't output D for sigma_a coefficients?
Pete -----Original Message----- From: CCP4 bulletin board on behalf of Mayer, Mark (NIH/NICHD) [E] Sent: Sat 7/5/2008 2:39 PM To: CCP4BB@JISCMAIL.AC.UK Subject: [ccp4bb] Definition of Fourier coefficients Hi, What do m and D indicate in the Fourier coefficients for a 2mFo-DFc map? I've dug a bit in web and CCP4 doc but not found an explanation, though I'm sure its there. Thanks, Mark