Full_Name: Steven King
Version: 1.16
OS: OSX vesion 10.4.8
Submission from: (NULL) (71.126.161.149)
Setting a matrix is a function - the failure occurs only on 2 X 2 matrices.
x<-matrix(1:4,nrow=2)
> x
[,1] [,2]
[1,] 1 3
[2,] 2 4
> x[x]<-2
Error: subscript out of bounds