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List of forum topicsenHow to calculate derivative of a vector function
http://mathforum.org/kb/thread.jspa?messageID=7927390&tstart=0#7927390
How to calculate derivative of F=(R+b)/norm(R+b) in Mathematica where b is a constant vector And how to get the vector form of]]>Nov 24, 2012 2:43:25 AMNov 24, 2012 2:43:25 AMmdeng1985@gmail.com0