square roots of par. der.

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1 total messages Started by UMR Usenet News Post Thu, 21 Jan 1993 21:37

#175

Author: UMR Usenet News Post
Date: Thu, 21 Jan 1993 21:37

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Hi ( this is my first posting to this group) :


I am working with the second order wave equation -....

  ( d =  say is the partial derivative  )

(   2     2     2    2   2  )      
( d   + d   + d  - co *d    )W(x,y,z,t) =  0
( dx    dy    dz       dt   )


My question is could I take the square root of the summation of the squares of
two or more partial derivatives? 

It is true that I cannot work with the square root on the derivatives, but what
I need that for is to factorize the above equation and later using the Taylors 
series unleash the squre root.

Md Ishfaqur Raza

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