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huangweifeng
2026-10-22 09:23:54 +08:00
commit 63f557a39f
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third_party/eigen/doc/snippets/MatrixBase_cwiseNotEqual.cpp
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MatrixXi m(2, 2);
m << 1, 0, 1, 1;
cout << "Comparing m with identity matrix:" << endl;
cout << m.cwiseNotEqual(MatrixXi::Identity(2, 2)) << endl;
Index count = m.cwiseNotEqual(MatrixXi::Identity(2, 2)).count();
cout << "Number of coefficients that are not equal: " << count << endl;