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Ghetto Mathematics

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what's the deal? - Mar 18, 2004 at 3:07PM
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desolderthis
2 Posts

Some things really test my faith in math
and physics.  Consider the following
example, use notation that ax/at means
partial of x wrt t. OK.  What is the
difference between this: a/ar[ a(phi)/ar ]
and this: 1/r^2 a/ar[ r^2 a(phi)/ar ] ?  If
you say nothing, then you are wrong.  
Annoyed?  So am I.  The only difference is
one will give the right answer to a problem
and the other is garbage.

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Current Replies - View all
order matters   (Gary - Mar 18 2004 at 3:39PM)
  (Damian - Mar 21 2004 at 9:00PM)
Re: what's the deal?   (Dave - Jul 13 2004 at 10:05AM)