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1 | #include <iostream>
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2 | #include <Eigen/Dense>
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3 |
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4 | using namespace Eigen;
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5 | int main()
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6 | {
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7 | Matrix2d mat;
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8 | mat << 1, 2,
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9 | 3, 4;
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10 | Vector2d u(-1,1), v(2,0);
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11 | std::cout << "Here is mat*mat:\n" << mat*mat << std::endl;
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12 | std::cout << "Here is mat*u:\n" << mat*u << std::endl;
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13 | std::cout << "Here is u^T*mat:\n" << u.transpose()*mat << std::endl;
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14 | std::cout << "Here is u^T*v:\n" << u.transpose()*v << std::endl;
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15 | std::cout << "Here is u*v^T:\n" << u*v.transpose() << std::endl;
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16 | std::cout << "Let's multiply mat by itself" << std::endl;
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17 | mat = mat*mat;
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18 | std::cout << "Now mat is mat:\n" << mat << std::endl;
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19 | }
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