# Re: [R] writing a function

From: John Kane <jrkrideau_at_yahoo.ca>
Date: Fri, 8 Feb 2008 13:13:55 -0500 (EST)

It is doing exactly what you ask. You are asking for the last element in the matrix w[i,j] and the last element in the vector y[i].

Try return(w) and return(y).

• mohamed nur anisah <nuranisah_mohamed_at_yahoo.com> wrote:

> Dear lists,
>
> I'm in my process of learning of writing a
> function. I tried to write a simple functions of a
> matrix and a vector. Here are the codes:
>
> mm<-function(m,n){ #matrix function
>
> w<-matrix(nrow=m, ncol=n)
> for(i in 1:m){
> for(j in 1:n){
> w[i,j]=i+j
> }
> }
> return(w[i,j])
> }
>
> v<-function(n){ #function of a vector
> y=vector(length=n)
> for(i in 1:n){
> y[i]=i
> }
> return(y[i])
> }
>
> when i tried called on my matrix function; say
> mm(5,10). what i got is the single value of
> 15..where's is my matrix?? same thing happened to my
> problems. Thanks a bunch!!
>
> Cheers,
> Anisah
>
>
>
>
>
>
>
> ---------------------------------
>
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>
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