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6 lines
250 B
6 lines
250 B
2 years ago
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Matrix4i m = Matrix4i::Random();
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cout << "Here is the matrix m:" << endl << m << endl;
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cout << "Here is m.block(1, 1, 2, 2):" << endl << m.block(1, 1, 2, 2) << endl;
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m.block(1, 1, 2, 2).setZero();
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cout << "Now the matrix m is:" << endl << m << endl;
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