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ADD: added other eigen lib

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This commit is contained in:
Henry Winkel
2022-12-21 16:19:04 +01:00
parent a570766dc6
commit 9e56c7f2c0
832 changed files with 36586 additions and 20006 deletions
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11
libs/eigen/doc/examples/TutorialLinAlgSetThreshold.cpp
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@@ -1,16 +1,13 @@
#include <iostream>
#include <Eigen/Dense>
using namespace std;
using namespace Eigen;
int main()
{
Matrix2d A;
Eigen::Matrix2d A;
A << 2, 1,
2, 0.9999999999;
FullPivLU<Matrix2d> lu(A);
cout << "By default, the rank of A is found to be " << lu.rank() << endl;
Eigen::FullPivLU<Eigen::Matrix2d> lu(A);
std::cout << "By default, the rank of A is found to be " << lu.rank() << std::endl;
lu.setThreshold(1e-5);
cout << "With threshold 1e-5, the rank of A is found to be " << lu.rank() << endl;
std::cout << "With threshold 1e-5, the rank of A is found to be " << lu.rank() << std::endl;
}