and here is the fixed-size Block class
diff --git a/doc/tutorial.cpp b/doc/tutorial.cpp
index 5daf2f0..8348cab 100644
--- a/doc/tutorial.cpp
+++ b/doc/tutorial.cpp
@@ -18,13 +18,13 @@
// notice how we are mixing fixed-size and dynamic-size types.
cout << "In the top-left block, we put the matrix m shown above." << endl;
- m2.block(0,0,2,2) = m;
+ m2.block<2,2>(0,0) = m;
cout << "In the bottom-left block, we put the matrix m*m, which is:" << endl << m*m << endl;
- m2.block(2,0,2,2) = m * m;
+ m2.block<2,2>(2,0) = m * m;
cout << "In the top-right block, we put the matrix m+m, which is:" << endl << m+m << endl;
- m2.block(0,2,2,2) = m + m;
+ m2.block<2,2>(0,2) = m + m;
cout << "In the bottom-right block, we put the matrix m-m, which is:" << endl << m-m << endl;
- m2.block(2,2,2,2) = m - m;
+ m2.block<2,2>(2,2) = m - m;
cout << "Now the 4x4 matrix m2 is:" << endl << m2 << endl;
cout << "Row 0 of m2 is:" << endl << m2.row(0) << endl;