fix documentation

numerical_methods/lu_decompose.cpp

@@ -61,7 +61,7 @@ void test1() {
 }
 
 /**
- * @brief Test determinant computation using LU decomposition
+ * Test determinant computation using LU decomposition
  */
 void test2() {
     std::cout << "Determinant test 1...";

numerical_methods/lu_decomposition.h

@@ -78,7 +78,7 @@ int lu_decomposition(const matrix<T> &A, matrix<double> *L, matrix<double> *U) {
 }
 
 /**
- * @brief Compute determinant of an NxN square matrix using LU decomposition.
+ * Compute determinant of an NxN square matrix using LU decomposition.
  * Using LU decomposition, the determinant is given by the product of diagonal
  * elements of matrices L and U.
  *