10 lines
230 B
C++
10 lines
230 B
C++
MatrixXf matA(2,2), matB(2,2);
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matA << 2, 0, 0, 2;
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// Simple but not quite as efficient
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matB = matA * matA;
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cout << matB << endl << endl;
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// More complicated but also more efficient
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matB.noalias() = matA * matA;
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cout << matB;
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