On Fri, Mar 23, 2012 at 12:35:57AM +0100, Gildas Mazo wrote:
Dear R users,
Let f be a function over d variables x1,..,xd. I want to compute the
k^th-order derivative with respect to x1,..,xk (k=d). I have a by hand
solution (see below) using an iterating code using D. However, I expect d
Dear Petr Savicky,
this helped indeed. Thank you very much.
Gildas
- Mail original -
De: Petr Savicky savi...@cs.cas.cz
À: r-help@r-project.org
Envoyé: Vendredi 23 Mars 2012 09:39:37
Objet: Re: [R] Computing High Order Derivatives (Numerically)
On Fri, Mar 23, 2012 at 12:35:57AM
Dear R users,
Let f be a function over d variables x1,..,xd. I want to compute the k^th-order
derivative with respect to x1,..,xk (k=d). I have a by hand solution (see
below) using an iterating code using D. However, I expect d to be high and f to
be complicated. Then I want a vector x to be
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