[ublas] Access the used indizes in a sparse matrix

From: Markus Weimer (markus.weimer_at_[hidden])
Date: 2007-05-27 05:24:10

Hi,

first of all: Thanks for all the replies to my last questions, they
were very helpful!

For our application, we need to determine the positions in a sparse
matrix which are non-zero. Is that possible? And if so, how?

Thanks again,

Markus