minor changes before uploading to CodeExpert

Assignments/Codes/Introduction/MatrixClass/CodeExpert/solution/MatrixClass.hpp

@@ -11,7 +11,7 @@
 // END
 
 /* SAM_LISTING_BEGIN_0 */
-Eigen::Matrix2d smallTriangular(double a, double b, double c) {
+Eigen::Matrix<double, 2, 2> smallTriangular(double a, double b, double c) {
   /*
    * This functions returns a 2 by 2 triangular matrix of doubles a, b, c.
    */
@@ -142,7 +142,6 @@ Eigen::VectorXcd arithmetics(int n) {
       B(k,l) = tmp/std::conj(tmp);
     }
   }
-  std::cout<<B<<std::endl;
   // END
 
   // We can perform arithmetics on matrices: +, -, *
@@ -164,8 +163,6 @@ Eigen::VectorXcd arithmetics(int n) {
   v = C * u;
   // END
 
-  // std::cout<<v<<std::endl;
-
   return v;
 }
 /* SAM_LISTING_END_3 */

Assignments/Codes/Introduction/MatrixClass/CodeExpert/solution/main.cpp

@@ -10,7 +10,7 @@ int main(){
     std::cout<< "\nTest of casting():\n";
     std::cout<< casting() << std::endl;    
     std::cout<< "\nTest of arithmetics():\n";
-    std::cout<< arithmetics(5) << std::endl;
+    std::cout<< arithmetics(4) << std::endl;
 
     return 0;
     }