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MathGroup Archive 2002

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RE: Different Methods inside one package

  • To: mathgroup at smc.vnet.net
  • Subject: [mg33726] RE: [mg33715] Different Methods inside one package
  • From: "Wolf, Hartmut" <Hartmut.Wolf at t-systems.com>
  • Date: Wed, 10 Apr 2002 00:49:07 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

> -----Original Message-----
> From: J. Guillermo Sanchez [mailto:guillerm at usal.es]
To: mathgroup at smc.vnet.net
> Sent: Tuesday, April 09, 2002 7:03 AM
> Subject: [mg33726] [mg33715] [mg33715] Different Methods inside one package
> 
> 
> 
> (* Dear friends, I wish build a package where the user, as one option,
> can be choose one of three methods of evaluation, i.e: 
> Automatic, LT or 
> EV. Some thing like this silly example *)
> 
> BeginPackage["test`test`"]
> 
> methodTest::usage="methodTest. This is an example"
> 
> Options[methodTest]={Method\[Rule]Automatic};
> 
> Begin["`Private`"]
> 
> methodTest[matrixA_, incond_, opts___]:=
>   If[Automatic == Method/.{opts}/.Options[methodTest],
>     Module[{a, b, r},(a = matrixA; b = incond; r = a b)]]
> 
> methodTest[matrixA_, incond_, opts___]:=
>   If[LT == Method/.{opts}/.Options[methodTest],
>     Module[{a, b, r},(a = matrixA; b = incond; r = a /b)]]
> 
> methodTest[matrixA_, incond_, opts___]:=
>   If[EV == Method/.{opts}/.Options[methodTest],
>     Module[{a, b, r},(a = matrixA; b = incond; r = a + b)]]
> 
> End[]
> 
> Protect[methodTest];
> 
> EndPackage[]
> 
> list1 ={{a11, a12 },{a21,a22}}
> 
> methodTest[list1,list2]
> 
> methodTest[list1,list2, Method\[Rule]EV]
> 
> methodTest[list1,list2, Method\[Rule]LT]
> 
> 
> (*How can I get that this example work?*)
> 

Guillermo,



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