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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 std;
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5 | using namespace Eigen;
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6 | int main()
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7 | {
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8 | MatrixXf mat(2,4);
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9 | mat << 1, 2, 6, 9,
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10 | 3, 1, 7, 2;
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11 |
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12 | MatrixXf::Index maxIndex;
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13 | float maxNorm = mat.colwise().sum().maxCoeff(&maxIndex);
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14 |
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15 | std::cout << "Maximum sum at position " << maxIndex << std::endl;
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16 |
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17 | std::cout << "The corresponding vector is: " << std::endl;
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18 | std::cout << mat.col( maxIndex ) << std::endl;
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19 | std::cout << "And its sum is is: " << maxNorm << std::endl;
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20 | }
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