Jul 18, 2008 #1 P pdcom Newbie level 6 Joined Jul 17, 2008 Messages 14 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,369 Making my question bit easier, as no one has replied to my previous question. why 1-(1-erfc(x))²≈2erfc(x) ?
Making my question bit easier, as no one has replied to my previous question. why 1-(1-erfc(x))²≈2erfc(x) ?
Jul 18, 2008 #2 R RF-OM Advanced Member level 2 Joined Aug 3, 2007 Messages 582 Helped 123 Reputation 246 Reaction score 17 Trophy points 1,298 Location The Earth Activity points 5,747 If you will do the math ones will compensates and square of erfc(x) is very small number that can be omitted. Only 2*erfc(x) left.
If you will do the math ones will compensates and square of erfc(x) is very small number that can be omitted. Only 2*erfc(x) left.