On Mon, Mar 15, 2010 at 9:58 AM, Gerardo Berbeglia wrote:
> I have another matrix operations which seems a little more complicated.
>
> Let A be an n x n matrix and let S be a subset of {0,...,n-1}. Assume
> S is represented by a binary vector s, with a 1 at the index i if i is
> in S. (e.g. if S=
On Mon, Mar 15, 2010 at 10:58 AM, Gerardo Berbeglia
wrote:
> I have another matrix operations which seems a little more complicated.
>
> Let A be an n x n matrix and let S be a subset of {0,...,n-1}. Assume
> S is represented by a binary vector s, with a 1 at the index i if i is
> in S. (e.g. if S
I have another matrix operations which seems a little more complicated.
Let A be an n x n matrix and let S be a subset of {0,...,n-1}. Assume
S is represented by a binary vector s, with a 1 at the index i if i is
in S. (e.g. if S={0,3} then s = [1,0,0,1])
I would like to have an efficient way to
