NuVoc notes what replaces D. and d. on their respective pages.
In particular, from the math/calculus addon, we have
* deriv_jcalculus_ to replace d. and
* pderiv_jcalculus_ to replace D.
Skip Cave <s...@caveconsulting.com> wrote:
> In "Fifty Shades of J" chapter 23, the Newton Raphson algorithm is
> described thusly:
>
> Newton =: adverb : ']-u%(u D.1)'(^:_)("0)
>
> How would that be defined using the new derivative verbs?
>
> Also, what is the replacement for d.?
>
> How would I find the roots of (x^x)=2*x using Newton Raphson?
>
> Skip
>
> Skip Cave
> Cave Consulting LLC
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
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