Initial commit

2026-07-10 19:16:42 +03:00
commit 7f9dc067a1
3620 changed files with 516098 additions and 0 deletions
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+#include <Eigen/Dense>
+#include <iostream>
+
+using namespace std;
+using namespace Eigen;
+
+int main()
+{
+  Array22f m;
+  m << 1,2,
+       3,4;
+  Array44f a = Array44f::Constant(0.6);
+  cout << "Here is the array a:" << endl << a << endl << endl;
+  a.block<2,2>(1,1) = m;
+  cout << "Here is now a with m copied into its central 2x2 block:" << endl << a << endl << endl;
+  a.block(0,0,2,3) = a.block(2,1,2,3);
+  cout << "Here is now a with bottom-right 2x3 block copied into top-left 2x3 block:" << endl << a << endl << endl;
+}