[Date Index] [Thread Index] [Author Index]

Re: Types in Mathematica

• To: mathgroup at smc.vnet.net
• Subject: [mg62297] Re: Types in Mathematica
• From: John Doty <jpd at whispertel.LoseTheH.net>
• Date: Sat, 19 Nov 2005 23:18:25 -0500 (EST)
• References: <200511120833.DAA19252@smc.vnet.net> <43762529.7060603@math.umass.edu> <dl8s4g$n41$1@smc.vnet.net> <dl980q$r2a$1@smc.vnet.net> <200511140805.DAA00041@smc.vnet.net> <dlc96b$m81$1@smc.vnet.net> <dlhibt$5ki$1@smc.vnet.net> <200511181057.FAA26343@smc.vnet.net> <dln0ut$gb3$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Kristjan Kannike wrote:

> On Fri, 18 Nov 2005, John Doty wrote:
> 
> [snip]
> 
> 
>>Try defining an "argument" that operates on its "function" in any other
>>language. Of course few Mathematica programmers would do anything this
> 
> 
> But is it not just operator overloading? In Python, for example, adding
> numbers with + gives a number, but "adding" two lists with + concatenates
> them. 

Misleading, because, in the following...

> Of course, in a Python class one can define it only for given
> methods and in Mathematica for any function. But the essence is the same
> and quite analogous.

.... the second sentence contradicts the first. The mechanisms of Python 
are essentially procedural and therefore require "given methods". 
Profoundly and fundamentally different from Mathematica.

-jpd

• References:
  • Types in Mathematica
    • From: "Steven T. Hatton" <hattons@globalsymmetry.com>
  • Re: Types in Mathematica
    • From: "Steven T. Hatton" <hattons@globalsymmetry.com>
  • Re: Types in Mathematica
    • From: John Doty <jpd@whispertel.LoseTheH.net>