| Brian Silverman | 72890c2 | 2015-09-19 14:37:37 -0400 | [diff] [blame^] | 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; | ||||