init repo

ronnie

2022-10-14 1504bb53e29d3d46222c0b3ea994fc494b48e153

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MatrixXf A = MatrixXf::Random(3, 2);
VectorXf b = VectorXf::Random(3);
cout << "The solution using the QR decomposition is:\n"
     << A.colPivHouseholderQr().solve(b) << endl;