improvements in tutorial page 4 : block operations

This commit is contained in:
Benoit Jacob
2010-10-18 08:44:27 -04:00
parent 4b0fb968ea
commit 1c15a6d96f
4 changed files with 52 additions and 57 deletions

View File

@@ -1,6 +1,8 @@
#include <Eigen/Dense>
#include <iostream>
using namespace std;
int main()
{
Eigen::MatrixXf m(4,4);
@@ -8,11 +10,11 @@ int main()
5, 6, 7, 8,
9,10,11,12,
13,14,15,16;
std::cout << "Block in the middle" << std::endl;
std::cout << m.block<2,2>(1,1) << std::endl << std::endl;
for (int i = 1; i < 4; ++i)
cout << "Block in the middle" << endl;
cout << m.block<2,2>(1,1) << endl << endl;
for (int i = 1; i <= 3; ++i)
{
std::cout << "Block of size " << i << std::endl;
std::cout << m.block(0,0,i,i) << std::endl << std::endl;
cout << "Block of size " << i << "x" << i << endl;
cout << m.block(0,0,i,i) << endl << endl;
}
}