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RE: Re: No Output, No Error

  • To: mathgroup at
  • Subject: [mg46454] RE: [mg46440] Re: No Output, No Error
  • From: "tgarza01 at" <tgarza01 at>
  • Date: Thu, 19 Feb 2004 03:02:04 -0500 (EST)
  • Reply-to: tgarza01 at
  • Sender: owner-wri-mathgroup at

Good! Just one small comment. Calling an unknown function (i.e., a function
which is in a package) before loading the appropriate package doesn't
"overwrite" the function in the package, as you say. It actually causes a
phenomenon called "shadowing", which you may read about in Sections 1.3.10
and 2.7.8 of The Book (see the on-line Help browser and search for
"shadowing" in the Master Index)


Original Message:
From: Jackson jackson101 at
To: mathgroup at
Subject: [mg46454] [mg46440] Re: No Output, No Error

"Tomas Garza" <tgarza01 at> wrote in message
news:c0s7m0$sde$1 at
> If you have inadvertently tried to use the function before loading the
package > you must remove it first.

Exactly! I tried the package load before asking for help and it still didn't
work. After reading this (and other replies), I started a new test from
scratch and now it works. I didn't think about the local variable
overwriting the package variable.

Thanks for all the help y'all!

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