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Re: Re: OO in Mathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg37739] Re: [mg37635] Re: OO in Mathematica
  • From: "Hermann Schmitt" <schmitther at netcologne.de>
  • Date: Sun, 10 Nov 2002 05:38:50 -0500 (EST)
  • References: <4EDE40BF-ECCD-11D6-B0A7-00039311C1CC@tuins.ac.jp> <apveg8$s2e$1@smc.vnet.net> <200211050959.EAA14158@smc.vnet.net> <aqb0vt$mha$1@smc.vnet.net> <200211071141.GAA00777@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com
Hello,
you write below, that you have never written a function with more tha ca. 30
statements and a function has typical 5-10 statements.
But in the next section you write about packages. That is, there is
something to be designed beyond the single function!
You do not see the forest because of the many trees!

Hermann Schmitt

----- Original Message -----
From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
To: mathgroup at smc.vnet.net
Subject: [mg37739] [mg37635] Re: OO in Mathematica


> Hi,
>
> you are right, I have never written a Mathematica "program"
> and I don't know what is can be. Since there is no "program"
> it can't have any structure. You can have functions but I have
> never written a function with more than ca 30 statements.
> There is no reason to "structure" a Mathematica function that
> has typical 5--10 statements.
>
> It seems that larger packages work perfectly right
> without any object oriented extension -- how can this
> happen ?
>
> And yes I mean functional programming when I say
> "functional programming". Every
> real functional/logic programming language
> has an assigment. The assigment is not needed
> but it save some computation time.  Mathematica
> has also functions like While[] only for
> efficiency.
>
> Regards
>   Jens
>
>
>
> Hermann Schmitt wrote:
> >
> > Hello,
> > you must differentiate between instructions and the structuring of
programs.
> > If you write a small program the structure of the program is no issue.
But I
> > think, that Mathematica is one of the best programming languages, you
can
> > also program larger programs/applications with Mathematica. Then the
> > structuring of the program/the applications is an issue. You ignore the
> > problems of structuring.
> > Additionally, your usage of the notion "functional programming" is
wrong. If
> > you read in the literature, you will see, that functional programming is
> > programming only with functions and expressions and without variables
and
> > without the assignement of values to variables. I think, you  can
program in
> > this way in Mathematica, but I do not think, that you mean this.
> > Hermann
>
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