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Re: function outer()

To: "WEN Songqiao" <sqwen@math.hkbu.edu.hk>
Subject: Re: function outer()
From: "Petr Pikal" <petr.pikal@precheza.cz>
Date: Thu, 20 Jul 2006 10:10:24 +0200
Cc: s-news@lists.biostat.wustl.edu
In-reply-to: <002c01c6ab46$3937b390$b70ab69e@PC20026570>
Hi

it is probably better to place this question on R-help list. Without 
knowing your function f it is not possible to tell exactly what is 
wrong, but probably the answer is in FAQ 7.17.

HTH
Petr


On 19 Jul 2006 at 23:15, WEN Songqiao wrote:

Send reply to:          "WEN Songqiao" <sqwen@math.hkbu.edu.hk>
From:                   "WEN Songqiao" <sqwen@math.hkbu.edu.hk>
To:                     <s-news@lists.biostat.wustl.edu>
Subject:                [S] function outer()
Date sent:              Wed, 19 Jul 2006 23:15:50 +0800
Organization:           HKBU

> 
> Hi, everyone, 
> I have a problem with  the R function outer()
> f(x,y) is  a bivariate functions, and I want to plot its  surface. I
> use the R function outer(x,y,f) but it  does'nt work with the
> following warning message: x<-1:3 y<-4:6 outer(x,y,f) " dim<- : dims
> [product 9] do not match the length of object [1]   
> 
> "
> 
> why? Are there any other way to plot the surface of a bivariate
> function?
> 
> ----------------------------------------------------------------- Mr.
> WEN Songqiao Department of Mathematics Hong Kong Baptist University
> Email:   sqwen@math.hkbu.edu.hk
> -----------------------------------------------------------------
> 

Petr Pikal
petr.pikal@precheza.cz


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