[Date Index] [Thread Index] [Author Index]

Re: Is it a BUG?

To: mathgroup@smc.vnet.net
Subject: [mg11954] Re: [mg11903] Is it a BUG?
From: Des Penny <penny@suu.edu>
Date: Fri, 10 Apr 1998 01:03:43 -0400
Organization: Southern Utah University
References: <199804090433.AAA22057@smc.vnet.net.>

Hi Igor:

Plot has the attribute HoldAll.  You can see this with:

Attributes[Plot]

This means that it holds all its arguments unevaluated.  You can force
the evaluation of k by:
Plot[Evaluate[k],{x,-5,5}]

Cheers,

Des Penny

Igor Gribanov wrote:

> When I try to plot a number of functions like this:
> Plot[{x,x^2,x^4},{x,-5,5}]
>
> it works,
> but if I do it another way:
> k={x,x^2,x^4}
> Plot[k,{x,-5,5}]
>
> then it doesn't plot the graphics.
> Is it a bug or not?
>
> Sincerely,
> Igor Gribanov
> http://www.geocities.com/SouthBeach/Palms/3050

References:
- Is it a BUG?
  - From: "Igor Gribanov" <nuc@hotmail.com>

Prev by Date: Re: Which Communications to Use for MathLink on NT?

Next by Date: Interpolation ...

Prev by thread: Is it a BUG?

Next by thread: RE: Is it a BUG?