I don't know if this will help...
htttp://www.cs.berkeley.edu/~fateman/papers/intervalplot.ps
RJF
Raymond Toy wrote:
>>>>>>"James" == James Amundson <amundson@users.sourceforge.net> writes:
>>>>>>
>>>>>>
>
> James> I'm worried, however, that this line of thought leads to a routine that
> James> produces potentially misleading results. What does a plot of
> James> sqrt(sin(x^2+y^2)),[x,-4,4],[y,-4,4]
> James> look like using this algorithm?
>
>Good question. But coerce-float-fun takes the realpart, so we get the
>realpart of the sqrt. (Well, the code says that. I didn't try it.)
>
>Ray
>
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