Hi Archie14, hth: # include # include # include # include <vector> # include <algorithm> using namespace boost::phoenix; using namespace boost::phoenix::arg_names; using namespace boost::numeric::ublas; int main () { symmetric_matrix m(3, 3), n(3,3), u(3,3); generate(arg1, lambda[val(1.0)] )(m.data()); generate(arg1, lambda[val(2.0)] )(n.data()); transform(arg1,n.data().begin(),u.data().begin(),lambda[arg1/arg2])(m.data()); std::cout << u << std::endl; } Best regards, Kim Archie14 schrieb:

My questions are: 1. Can I use iterators (begin1, begin2) and if yes, then how? Examples in the doc use above method of iterating through elements, without using iterators. 2. I did not find built-in operators in the symmetric_matrix to do this division, but may be I overlooked smth or did not understand the docs? 3. If matrix "msecond" contains zeros - what is the "boost-way" to deal with this?

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