Re: [R] changing the signs in rows or columns in matrices and check them if they are identical

2012-11-11 Thread arun
roject.org" Sent: Sunday, November 11, 2012 6:04 AM Subject: Re: [R] changing the signs in rows or columns in matrices and check them if they are identical Hello, Thanks for the data examples. But you should give them in a form that's easy for us to copy and paste into an R session. Usin

Re: [R] changing the signs in rows or columns in matrices and check them if they are identical

2012-11-11 Thread Rui Barradas
Hello, Thanks for the data examples. But you should give them in a form that's easy for us to copy and paste into an R session. Using ?dput, for instance. The examples below are the last two pairs of matrices in your post, the ones with different signs. fun1() checks rows and fun2() columns. x

[R] changing the signs in rows or columns in matrices and check them if they are identical

2012-11-11 Thread Haris Rhrlp
Dear R users, i have this problem with matrices i want to check between two matrices if they are isomorphic i will give an example for what excactly i want   1 -1  1                                 -1  1   1 -1   1  -1                                1  -1  -1   1  1   -1