Hi KB
I am not sure exactly what you want to do but perhaps this is this
closer to what you need:
addition<-function(X, a){Xnew<-X + a}
X<-array(1,dim=c(2,2))
a<-2
Xa<-addition(X,a)
Xa
Regards
JS
---
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Konrad BLOCHER
Sent: 05 February 2008 15:52
To: r-help@r-project.org
Subject: [R] modifying arrays within functions
Hi,
I'm pretty new to R and seem to be having difficulties with writing a
function that would change an array and keep the change after the
function finishes its work.
in other words
I have an array of 1's X<-array(1,dim=c(2,2))
I want to add a number to X[1,1] by means of a function called addition.
What I am writing is: addition<-function(a){X[1,1]=X[1,1}+a}
but it doesn't seem to work
Any ideas? Please? :)
Thanks
KB
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and provide commented, minimal, self-contained, reproducible code.
