Re: Excluding elements of a matrix

[antonio palestrini]

> 2006/12/19, Joseph Wakeling <joseph.wakeling at webdrake.net>:
> > Thanks to all for useful replies.
> >
> > How feasible would it be to implement a simple syntax for something like
> > this in a future version of Octave, along the lines of,
> >
> > a(\6)   [i.e. a excluding element 6]
> >
> > A(:,\[5 7])    [matrix A excluding columns 5 and 7]
> >
> > ... inspired by set notation?

...
> If you have to work with this kind of data manipulations the best
> thing to do, in my opinion, is to write a function like the following
> for the matrix example (the vector one may be constructed analogously)

> function B = del_columns(A,q)

incidentally, if you remember to put row vectors in the function
you can use "del_columns" even to delete elements of vectors.
I'm lazy I know :-)

ciao
antonio

--
Prof. Antonio Palestrini
DSGSS - University of Teramo, Italy
e-mail: address@hidden