6 lines
274 B
C++
6 lines
274 B
C++
Matrix4d m = Vector4d(1,2,3,4).asDiagonal();
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cout << "Here is the matrix m:" << endl << m << endl;
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cout << "Here is m.fixed<2, 2>(2, 2):" << endl << m.block<2, 2>(2, 2) << endl;
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m.block<2, 2>(2, 0) = m.block<2, 2>(2, 2);
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cout << "Now the matrix m is:" << endl << m << endl;
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