17 lines
377 B
C++
17 lines
377 B
C++
#include <iostream>
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#include <Eigen/Dense>
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using namespace std;
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using namespace Eigen;
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int main()
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{
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Matrix2d A;
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A << 2, 1,
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2, 0.9999999999;
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FullPivLU<Matrix2d> lu(A);
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cout << "By default, the rank of A is found to be " << lu.rank() << endl;
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lu.setThreshold(1e-5);
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cout << "With threshold 1e-5, the rank of A is found to be " << lu.rank() << endl;
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}
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