1c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan KamathMatrixXf matA(2, 2); 2c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan KamathmatA << 1, 2, 3, 4; 3c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan KamathMatrixXf matB(4, 4); 4c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan KamathmatB << matA, matA/10, matA/10, matA; 5c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathstd::cout << matB << std::endl; 6