Well, it will depend on how often the conditions are true or false. If
that's the issue, you can set compbx only on demand.
How are you measuring speed?
-s
On 2010-04-05, Richard Hennessy <rich.hennessy at verizon.net> wrote:
> Hi,
>
> Actually this was a bad idea. I tried making between a regular function and
> it breaks a lot of code that I have
> written. It has to be a simplifying function or I can't integrate
> expressions that contain it.
>
> I have posted the newest pw.mac at my site. It can use between or signum.
> I have to update the help now. You can get
> it here. http://mysite.verizon.net/res11w2yb/pw.mac.txt BTW I have tried
> using sign() in the definition of simpbetween
> but it is slower that using the relational operators. Maybe I am going
> about it the right way.
>
> Rich
>
>
> --------------------------------------------------
> From: "Richard Hennessy" <rich.hennessy at verizon.net>
> Sent: Monday, April 05, 2010 10:05 PM
> To: "Barton Willis" <willisb at unk.edu>; <macrakis at alum.mit.edu>
> Cc: "Maxima List" <maxima at math.utexas.edu>
> Subject: Re: [Maxima] How do you write this in lisp
>
>> "simplification--how much is too much".
>>
>> Maybe between should not be a simplifying function at all. I could make
>> the body of simpbetween with some possibly
>> necessary changes the body of a regular user function called between. I
>> am not sure I like simplifying functions that
>> much. Maybe that would work out better. I can't make up my mind on this
>> yet. I am going to try experimenting with
>> both ways
>> of doing it.
>>
>> Rich
>>
>>
>> --------------------------------------------------
>> From: "Barton Willis" <willisb at unk.edu>
>> Sent: Monday, April 05, 2010 9:17 PM
>> To: <macrakis at alum.mit.edu>
>> Cc: "Richard Hennessy" <rich.hennessy at verizon.net>; "Maxima List"
>> <maxima at math.utexas.edu>
>> Subject: Re: [Maxima] How do you write this in lisp
>>
>>> It would be great if there was a definitive guide to writing simplifying
>>> functions.
>>> There are plenty of examples, but no how-to manual that I know of; some
>>> topics
>>> that come to mind:
>>>
>>> (1) nouns and verbs,
>>> (2) autoloading simplifying functions,
>>> (3) simplification--how much is too much,
>>> (4) reflection rules,
>>> (5) binary64 & bigfloat evaluation,
>>> (6) extras: gradef, conjugates, limits, TeX properties, antiderivatives,
>>> (7) declaring function properties (complex, ...),
>>> (8) domain and wrong number of argument errors,
>>>
>>> --Barton
>>>
>>>
>>
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>
>