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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 |
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6 | int main()
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7 | {
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8 | MatrixXd m(2,5);
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9 | m.resize(4,3);
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10 | std::cout << "The matrix m is of size "
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11 | << m.rows() << "x" << m.cols() << std::endl;
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12 | std::cout << "It has " << m.size() << " coefficients" << std::endl;
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13 | VectorXd v(2);
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14 | v.resize(5);
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15 | std::cout << "The vector v is of size " << v.size() << std::endl;
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16 | std::cout << "As a matrix, v is of size "
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17 | << v.rows() << "x" << v.cols() << std::endl;
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18 | }
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