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1 | #include <Eigen/Dense>
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2 | #include <iostream>
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3 |
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4 | using namespace Eigen;
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5 | using namespace std;
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6 |
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7 | int main(int, char**)
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8 | {
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9 | cout.precision(3);
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10 | Matrix3d m = Matrix3d::Random();
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11 | cout << "Here is the matrix m:" << endl << m << endl;
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12 | Matrix3d inverse;
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13 | bool invertible;
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14 | double determinant;
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15 | m.computeInverseAndDetWithCheck(inverse,determinant,invertible);
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16 | cout << "Its determinant is " << determinant << endl;
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17 | if(invertible) {
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18 | cout << "It is invertible, and its inverse is:" << endl << inverse << endl;
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19 | }
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20 | else {
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21 | cout << "It is not invertible." << endl;
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22 | }
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23 |
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24 | return 0;
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25 | }
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