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Re: Repackaging function arguments

• To: mathgroup at smc.vnet.net
• Subject: [mg124943] Re: Repackaging function arguments
• From: Bob Hanlon <hanlonr357 at gmail.com>
• Date: Mon, 13 Feb 2012 03:41:35 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• References: <201202121000.FAA25081@smc.vnet.net>

Note that FindRoot has attribute HoldAll

Attributes[FindRoot]

{HoldAll, Protected}

params = {AccuracyGoal -> 30, PrecisionGoal -> 30, WorkingPrecision -> 50};

FindRoot[Sin[x] + Exp[x], {x, 0}, Evaluate[params]]

{x -> -0.58853274398186107743245204570290368853127151610903}


Bob Hanlon

On Sun, Feb 12, 2012 at 5:00 AM, Sam Takoy <sam.takoy at yahoo.com> wrote:
> Hi,
>
> Suppose I have a variable
>
> params = { AccuracyGoal -> 30, PrecisionGoal -> 30, WorkingPrecision -
>> 50 }
>
> How do I "repackage" it so I can pass it to functions such as
> FindRoot?
>
> Thank you in advance,
>
> Sam
>

• References:
  • Repackaging function arguments
    • From: Sam Takoy <sam.takoy@yahoo.com>