00001 #include <Eigen/Dense> 00002 #include <iostream> 00003 00004 using namespace Eigen; 00005 using namespace std; 00006 00007 int main() 00008 { 00009 ArrayXXf m(2,2); 00010 00011 // assign some values coefficient by coefficient 00012 m(0,0) = 1.0; m(0,1) = 2.0; 00013 m(1,0) = 3.0; m(1,1) = m(0,1) + m(1,0); 00014 00015 // print values to standard output 00016 cout << m << endl << endl; 00017 00018 // using the comma-initializer is also allowed 00019 m << 1.0,2.0, 00020 3.0,4.0; 00021 00022 // print values to standard output 00023 cout << m << endl; 00024 }