Re: Problem: Approximate complex values in Mathematica 8.0.1
- To: mathgroup at smc.vnet.net
- Subject: [mg117937] Re: Problem: Approximate complex values in Mathematica 8.0.1
- From: DrMajorBob <btreat1 at austin.rr.com>
- Date: Tue, 5 Apr 2011 06:42:19 -0400 (EDT)
Or, as a workaround, Wolfram could fix their code and send out a patch.
Bobby
On Mon, 04 Apr 2011 05:29:05 -0500, Bob Hanlon <hanlonr at cox.net> wrote:
> As a workaround you could either Chop the input or output
>
> fnc = Interpolation[{{0, 0}, {2, 2}}, InterpolationOrder -> 1];
>
> fnc[Chop[N[I]/I]]
>
> 1.
>
> Chop[fnc[N[I]/I]]
>
> 1.
>
> or redefine the function definition to include Chop
>
> fnc = Interpolation[{{0, 0}, {2, 2}}, InterpolationOrder -> 1][Chop[#]]
> &;
>
> fnc[N[I]/I]
>
> 1.
>
> fnc = Chop[Interpolation[{{0, 0}, {2, 2}}, InterpolationOrder -> 1][#]]
> &;
>
> fnc[N[I]/I]
>
> 1.
>
>
> Bob Hanlon
>
> ---- dr DanW <dmaxwarren at gmail.com> wrote:
>
> =============
> On a second try, the 1. I/I example worked. However, fnc[N[I]/I] does
> not. I did find a fix for my immediate problem, but my point is that the
> behavior of Mathematica has changed, and it is more insidious than the
> way approximate values are displayed.
>
> Daniel
>
>
--
DrMajorBob at yahoo.com