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Re: Repackaging function arguments

  • To: mathgroup at smc.vnet.net
  • Subject: [mg124934] Re: Repackaging function arguments
  • From: "djmpark" <djmpark at comcast.net>
  • Date: Mon, 13 Feb 2012 03:38:27 -0500 (EST)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <33517042.9638.1329041495254.JavaMail.root@m06>

Use:

params = Sequence[AccuracyGoal -> 30, PrecisionGoal -> 30, 
  WorkingPrecision -> 50];

Then since FindRoot has the Attribute HoldAll,

FindRoot[Sin[x] + Exp[x], {x, 0}, Evaluate@params] 
{x -> -0.58853274398186107743245204570290368853127151610903} 


David Park
djmpark at comcast.net 
http://home.comcast.net/~djmpark/index.html 


From: Sam Takoy [mailto:sam.takoy at yahoo.com] 


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




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