Subject: How to graph an expression involving sum?
From: Stavros Macrakis
Date: Sat, 10 Sep 2011 16:52:12 -0400
The customer isn't always right :-)
Unless there is a huge number of terms, or this is going to be repeated for
100s of coefficient value sets, our some other special circumstance, it's
surely better to let the machine do the work. Who cares if it's messy or
ugly?
-s
On Sep 10, 2011 4:37 PM, "Robert Dodier" <robert.dodier at gmail.com> wrote:
> On 9/10/11, dlakelan <dlakelan at street-artists.org> wrote:
>
>> On 09/10/2011 05:59 AM, Stavros Macrakis wrote:
>>> I would suggest defining a function in expanded form then compiling it:
>>>
>>> myfun(x) := ( mode_declare(x,float), ''(ev(coefseries,nouns)) ) $
>>> (that's two single-quotes, not one double-quote)
>>> compile(myfun)$
>>> plot2d( myfun, ... )
>
>> Thanks Stavros, I think this is exactly what I was looking for.
>
> Well, the ''(ev(coefseries, nouns)) will expand the sum noun
> into a "+" expression. Didn't you say somewhere along the
> line that you don't want that?
>
> best,
>
> Robert Dodier
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