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10 lines
415 B
C++
10 lines
415 B
C++
MatrixXd m(2, 3);
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m << 1, 2, 3, 4, 5, 6;
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cout << "here's the 2x3 matrix m:" << endl << m << endl;
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cout << "let's resize m to 3x2. This is a conservative resizing because 2*3==3*2." << endl;
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m.resize(3, 2);
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cout << "here's the 3x2 matrix m:" << endl << m << endl;
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cout << "now let's resize m to size 2x2. This is NOT a conservative resizing, so it becomes uninitialized:" << endl;
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m.resize(2, 2);
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cout << m << endl;
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