| Brian Silverman | 72890c2 | 2015-09-19 14:37:37 -0400 | [diff] [blame^] | 1 | const int size = 6; |
| 2 | MatrixXd mat1(size, size); |
| 3 | mat1.topLeftCorner(size/2, size/2) = MatrixXd::Zero(size/2, size/2); |
| 4 | mat1.topRightCorner(size/2, size/2) = MatrixXd::Identity(size/2, size/2); |
| 5 | mat1.bottomLeftCorner(size/2, size/2) = MatrixXd::Identity(size/2, size/2); |
| 6 | mat1.bottomRightCorner(size/2, size/2) = MatrixXd::Zero(size/2, size/2); |
| 7 | std::cout << mat1 << std::endl << std::endl; |
| 8 | |
| 9 | MatrixXd mat2(size, size); |
| 10 | mat2.topLeftCorner(size/2, size/2).setZero(); |
| 11 | mat2.topRightCorner(size/2, size/2).setIdentity(); |
| 12 | mat2.bottomLeftCorner(size/2, size/2).setIdentity(); |
| 13 | mat2.bottomRightCorner(size/2, size/2).setZero(); |
| 14 | std::cout << mat2 << std::endl << std::endl; |
| 15 | |
| 16 | MatrixXd mat3(size, size); |
| 17 | mat3 << MatrixXd::Zero(size/2, size/2), MatrixXd::Identity(size/2, size/2), |
| 18 | MatrixXd::Identity(size/2, size/2), MatrixXd::Zero(size/2, size/2); |
| 19 | std::cout << mat3 << std::endl; |
| 20 | |