Re: [R] Questions about Matrix

[Erich Neuwirth]

whatisit<-function(t,m,n) outer(0:t,1:m,function(x,y)(x-y)^n)

> whatisit(3,2,4)
     [,1] [,2]
[1,]    1   16
[2,]    0    1
[3,]    1    0
[4,]   16    1


Yao, Minghua wrote:

M <- matrix(0, t+1, m)
for (i in 1:(t+1))
  for(j in 1:m)
    M[i,j] <- (i-1-j)^n
________________________________

From: [EMAIL PROTECTED] on behalf of duoduo chen
Sent: Mon 2/16/2004 2:41 PM
To: [EMAIL PROTECTED]
Subject: [R] Questions about Matrix


How to Generate the Matrix (t+1)*m ?

(0-1)^n   (0-2)^n  ,,,,    (0-m)^n
(1-1)^n   (1-2)^n  ,,,,    (1-m)^n
(2-1)^n   (2-2)^n  ,,,,    (2-m)^n
   ..           ...     ,,,,     .......
(t-1)^n    (t-2)^n   ,,,,    (t-m)^n 

Appreciate your kindly help!



---------------------------------

        [[alternative HTML version deleted]]

______________________________________________
[EMAIL PROTECTED] mailing list
https://www.stat.math.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html


	[[alternative HTML version deleted]]

______________________________________________
[EMAIL PROTECTED] mailing list
https://www.stat.math.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
--
Erich Neuwirth, Computer Supported Didactics Working Group
Visit our SunSITE at http://sunsite.univie.ac.at
Phone: +43-1-4277-38624 Fax: +43-1-4277-9386
______________________________________________
[EMAIL PROTECTED] mailing list
https://www.stat.math.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html