Keywords: DCG chart.svg DCG chart A simple chart depicting all rules pertaining to second derivatives D C G L and CC stand for divergence curl gradient Laplacian and curl of curl respectively Arrows indicate existence of second derivatives Blue circle in the middle represents curl of curl whereas the other two red circles dashed mean that DD and GG do not exist own Srinivas zinka talk created this work entirely by myself 1 07 14 4 May 2010 UTC Srinivas zinka talk en wikipedia Srinivas zinka Original upload log page en wikipedia DCG_chart svg 2010-05-04 07 14 Srinivas zinka 482×323× 32083 bytes <nowiki> I ~~~ created this work entirely by myself ~~~~~ ~~~ </nowiki> __NOTOC__ Vector fields |