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Re: nested derivatives

  • To: mathgroup at smc.vnet.net
  • Subject: [mg93120] Re: nested derivatives
  • From: dh <dh at metrohm.ch>
  • Date: Mon, 27 Oct 2008 03:13:02 -0500 (EST)
  • References: <ge14fc$9g2$1@smc.vnet.net>


Hi Huub,

trythe following:

t[0]=x;

t[n_]:=1/D[y[x],x]D[ t[n-1],x];

t[3]

hope this helps, Daniel



Huub Mooren wrote:

> How do I enter the following recursive function in Mathematica:

> t[n]=(1/y')*t'[n-1],

> with n the index

> t[0]=x

> y is some function of x

> 

> Thanks for your help.

> 

> Huub Mooren

> 





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Daniel Huber

Metrohm Ltd.

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CH-9100 Herisau

Tel. +41 71 353 8585, Fax +41 71 353 8907

E-Mail:<mailto:dh at metrohm.com>

Internet:<http://www.metrohm.com>




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