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MathGroup Archive 2005

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Re: New to Mathematica- How to write functions????????

  • To: mathgroup at smc.vnet.net
  • Subject: [mg58880] Re: New to Mathematica- How to write functions????????
  • From: OT <montoz at invalidiol.it>
  • Date: Fri, 22 Jul 2005 01:58:30 -0400 (EDT)
  • References: <dboufp$sse$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Someonekicked ha scritto:
> new to mathematica, looked at the help, but did not get the help i needed..
> 
> I want to write a function that does multiple calculations in its body, then 
> it returns a value.
> I am talking about functions similar to functions that you can declare in 
> C++.
> can anyone give me an example?
> 
> 
> in C++, a function would be like, (note int means integer)
> 
> int zzz(int s, int y)
> {
>    int  Q;
>    Q = s*y;
>    return Q;
> }
> 
> 

this function in Mathematica would be:

xxx[s_Integer, y_Integer]:=Module[{Q},
    Q = s*y;
    Q
]


more generally:

type_t function( some_input )
{
   int local_var_1;
   double local_var_2;

   local_var_1=somefunction(some_input);
   local_var_2=somefunction(some_input);
   ...
   ...

   return(local_var_2);
}

wolud be:

function[someinput_]:=Module[{local1,local2),
   local1=somefunction[someInput];
   local2=somefunction[someInput];
   ...
   ...

   local2
}

bye


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