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Re: How to test if list of arguments are numeric

  • To: mathgroup at smc.vnet.net
  • Subject: [mg89519] Re: How to test if list of arguments are numeric
  • From: Oliver Ruebenkoenig <ruebenko at uni-freiburg.de>
  • Date: Wed, 11 Jun 2008 05:15:18 -0400 (EDT)
  • References: <g2nu84$ej1$1@smc.vnet.net>

Hi,

try

testFunction[ avec : {_Real ..} ] := Module[{},
   avec + 1.
   ]

hth,

Oliver

OnWed, 11 Jun 2008, Michael A. Gilchrist wrote:

> Hi all,
>
> I'm trying to use a function with NMinimize and running into problems with
> holding off its evaluation until NMinimize passes real values.  Essentially, I
> have something like this
>
> TestFunction[avec_]:=Module[{},
> .
> .
> .
> ]
>
> Where avec should be a list of real numbers.  I know that to ensure avec is a
> list I use avec_?ListQ, but I need to ensure that avec is a list of real
> numbers (not the symbols that NMinimizes passes).
>
> Unfortunately, I have no idea what the correct syntax is.  Could someone
> please clue me in on this?
>
> Thanks in advance.
>
> Mike
>
>
>

Oliver Ruebenkoenig, <ruebenko AT uni-freiburg.de>


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