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Derivatives

• To: mathgroup at smc.vnet.net
• Subject: [mg113692] Derivatives
• From: will <will.yeung1 at gmail.com>
• Date: Mon, 8 Nov 2010 03:37:42 -0500 (EST)

Hello,

I am trying to take the derivative (d/dx) of a very messy equation
that is more easily expressed initially as a function of y, then y and
a function of x. Rather than have to substitute and expand, can a set
of equations be input  and instructed to find a derivative wrt x?

(A little bit new to Mathematica)

Thanks.
Will