12b8756b6f1de65d3f8bffab45be6c44ceb7411fcMiao WangMatrixXf A = MatrixXf::Random(3, 2); 22b8756b6f1de65d3f8bffab45be6c44ceb7411fcMiao WangVectorXf b = VectorXf::Random(3); 32b8756b6f1de65d3f8bffab45be6c44ceb7411fcMiao Wangcout << "The solution using the QR decomposition is:\n" 42b8756b6f1de65d3f8bffab45be6c44ceb7411fcMiao Wang << A.colPivHouseholderQr().solve(b) << endl; 5