initial commit

2026-10-22 09:23:54 +08:00
commit 63f557a39f
4448 changed files with 584487 additions and 0 deletions
@@ -0,0 +1,5 @@
+ArrayXi ind(5);
+ind << 4, 2, 5, 5, 3;
+MatrixXi A = MatrixXi::Random(4, 6);
+cout << "Initial matrix A:\n" << A << "\n\n";
+cout << "A(all,ind-1):\n" << A(Eigen::placeholders::all, ind - 1) << "\n\n";