chris <[EMAIL PROTECTED]> wrote:
> I've been scripting with python for a while now. Basically writing a few
> functions and running in the ipython shell. That's been very useful. But the
> more I do this the more I see that I'm doing more or less the same thing
> over and over again. So its feels l
On Wednesday 20 July 2005 07:22 am, chris wrote:
> Also minor clarifications::
>
> > I'm hoping some of you python
> > lamas out there might be able to share some of your wisdom on the subject.
>
> lama = guru = teacher(not a furry animal, although my dog has certainly
> taught me a few trick
Extremely grateful for all the responses. I've pasted them all into a
document and can now read all your valuable ideas together. Even at a first
reading they have already helped clarify my thinking.
Also minor clarifications::
> I'm hoping some of you python
> lamas out there might be able to sh
Robert Kern wrote:
> chris wrote:
>
>> When I think about what I should do I end up with a class XY that has a
>> method for everything I want to do eg.
>>
>> class XY:
>> def read_file
>> def scale_data
>> def plot_data
>> def shelve_data
>>
>> But somehow that doesn't feel right, especia
On Tuesday 19 July 2005 05:09 am, chris wrote:
> So its feels like I need to get into class programming
> with all its attendant benefits. However my biggest problem is a conceptual
> one. I just can't get my head around defining suitable classes, how they
> aquire data and communicate with each o
I also have a little trouble with creating megaclasses. Usually I just
try to think about what things are a little bit, and how I'm going to
be using them. I think somebody else suggested a top down approach,
and that makes a certain amount of sense.
But at this point, you're probably getting ti
chris wrote:
> When I think about what I should do I end up with a class XY that has a
> method for everything I want to do eg.
>
> class XY:
> def read_file
> def scale_data
> def plot_data
> def shelve_data
>
> But somehow that doesn't feel right, especially when I expect the number of
Chris
> 1. get arbitrary numerical data (typically large data sets in columnar
> format or even via COM from other packages. I generally have to deal with
> one or more sets of X,Y data)
> 2. manipulate the data (scaling, least squares fitting, means, peaks,
> add/subtract one XY set from another
On 2005-07-19, chris <[EMAIL PROTECTED]> wrote:
> I've been scripting with python for a while now. Basically writing a few
> functions and running in the ipython shell. That's been very useful. But the
> more I do this the more I see that I'm doing more or less the same thing
> over and over again
fav DP books:
http://www.oreilly.com/catalog/hfdesignpat/
http://www.netobjectives.com/dpexplained/
--
http://mail.python.org/mailman/listinfo/python-list
> "chris" == chris <[EMAIL PROTECTED]> writes:
chris> I have no problem writing bits of functional code to do any
chris> of the above. But for the life of me I can't see how I can
chris> hook them altogether in an OO based framework that I can
chris> build and extend (with mo
[EMAIL PROTECTED] wrote:
> Dave Benjamin wrote:
>
>>I think it's much better for simplify() to return a new object
>>and leave the original object unmodified. You can still write:
>>expression2 = expression2.simplify()
>
> A belated thank-you message for your reply to my posting. I took your
> ad
Dave Benjamin wrote:
> [EMAIL PROTECTED] wrote:
> > Now suppose I set "expression2 = Sum([a,-a])" and Sum.simplify()
> > recognises that the two terms cancel and the Sum has value 0.
> >
> > Can I make "expression2.simplify()" transform expression2 from an
> > instance of Sum to an instance of Numb
[EMAIL PROTECTED] wrote:
> Now suppose I set "expression2 = Sum([a,-a])" and Sum.simplify()
> recognises that the two terms cancel and the Sum has value 0.
>
> Can I make "expression2.simplify()" transform expression2 from an
> instance of Sum to an instance of Number(0) **in place**? Is that
> po
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