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Re: Defining a derivative that distributes for a function

• To: mathgroup at smc.vnet.net
• Subject: [mg64244] Re: Defining a derivative that distributes for a function
• From: "Borut Levart" <BoLe79 at gmail.com>
• Date: Wed, 8 Feb 2006 03:53:31 -0500 (EST)
• References: <ds9mqp$48$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

What you desire can be achieved by mapping D over the functions in the
sum, i.e.:

D[#, x] & /@ (f[x^2] + f[x^4])

Bye,
Borut Levart