Initial commit

2026-06-01 15:55:59 +08:00
commit 40f9bdb590
1799 changed files with 362227 additions and 0 deletions
--- a/Eigen3/doc/snippets/Tutorial_solve_singular.cpp
+++ b/Eigen3/doc/snippets/Tutorial_solve_singular.cpp
@@ -0,0 +1,9 @@
+Matrix3f A;
+Vector3f b;
+A << 1,2,3,  4,5,6,  7,8,9;
+b << 3, 3, 4;
+cout << "Here is the matrix A:" << endl << A << endl;
+cout << "Here is the vector b:" << endl << b << endl;
+Vector3f x;
+x = A.lu().solve(b);
+cout << "The solution is:" << endl << x << endl;