source:
pacpussensors/trunk/Vislab/lib3dv/eigen/doc/snippets/TopicAliasing_mult2.cpp@
136
Last change on this file since 136 was 136, checked in by , 7 years ago | |
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File size: 230 bytes |
Rev | Line | |
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[136] | 1 | MatrixXf matA(2,2), matB(2,2); |
2 | matA << 2, 0, 0, 2; | |
3 | ||
4 | // Simple but not quite as efficient | |
5 | matB = matA * matA; | |
6 | cout << matB << endl << endl; | |
7 | ||
8 | // More complicated but also more efficient | |
9 | matB.noalias() = matA * matA; | |
10 | cout << matB; |
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