Using C++/Eigen3 - GitHub Pages
https://epcced.github.io/2019-04-16-ModernCpp/lectures/eigen/using-eigen.pdf
WebBasics. #include <Eigen/Dense> int main() { Eigen::Matrix<double, 10, 10> A; A.setZero(); A(9, 0) = 1.234; std::cout << A << std::endl; return 0; } This is pretty similar to: . double A[10][10]; Dynamic size. int n = 64; int m = 65; Eigen::Matrix<double, Eigen::Dynamic, Eigen::Dynamic> A(n, m); A.resize(20, 20);
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