[Haskell-cafe] How to use roots package?
aslatter at gmail.com
Sat Mar 19 00:56:00 CET 2011
On Fri, Mar 18, 2011 at 6:39 PM, Artyom Kazak <artyom.kazak at gmail.com> wrote:
> Hi Café!
> roots (http://hackage.haskell.org/package/roots) is a package to solve
> equations like "f(x)==0".
> In RootFinder class there is an 'defaultNSteps' value, which is used as
> maximal count of iterations functions like findRoot and traceRoot can make.
> By default it is 250, but sometimes it's not enough. How can I use another
> value instead of 250? Should I write my own RootFinder instance, or findRoot
Either choice looks like it would work fine - however using a newtype
wrapper around an existing instance of FindRoot would have the least
amount of code duplication, I think.
I recommend contacting the maintainer of the package about getting
their input, and about solving the problem in the package itself.
> Thanks in advance.
> — Artyom.
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