diff --git a/README.md b/README.md
index 0876906..52d9667 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # Marsvin library : Matrix, vectors and linear algebra
 
+Documentation : [Link](https://juliusdiestra.github.io/marsvin-matrix-container-cpp/)
+
 Repository that contains the **MARSVIN** library that contains usefull containers and operations for linear algebra.
 
 Contains :
@@ -8,9 +10,11 @@ Contains :
 * Vector container.
 * Forward substitution.
 * Backward substitution.
-* Gauss elimination.
-* Matrix inverse calculation.
-* Solution of A\*x = b.
+* Triangular matrix inverse.
+* Solution of triangular systems. L\*x = b and U\*x = b
+* LU Decomposition : Partial Pivoting.
+* Matrix inverse calculation.   -> TBD
+* Solution of A\*x = b.         -> TBD
 
 ## How to build library
 
diff --git a/documentation/Doxyfile b/documentation/Doxyfile
index e4ac1bb..9c819f2 100644
--- a/documentation/Doxyfile
+++ b/documentation/Doxyfile
@@ -1514,7 +1514,7 @@ DISABLE_INDEX          = NO
 # The default value is: NO.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-GENERATE_TREEVIEW      = NO
+GENERATE_TREEVIEW      = YES
 
 # The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that
 # doxygen will group on one line in the generated HTML documentation.
diff --git a/documentation/main_page.md b/documentation/main_page.md
index 96ff67f..cf65c69 100644
--- a/documentation/main_page.md
+++ b/documentation/main_page.md
@@ -23,7 +23,7 @@ and the **Matrix** class includes extra methods useful for matrix linear algebra
 
 Header file :
 
-    include "base_matrix.hpp"
+    #include "marsvin/containers/base_matrix.hpp"
 
 A **BaseMatrix** object can be created as,
 
@@ -60,7 +60,7 @@ Basic operations are provided using overload operators :
 
 Header file :
 
-    include "matrix.hpp"
+    #include "marsvin/containers/matrix.hpp"
 
 A **Matrix** object can be created as,
 
@@ -74,7 +74,7 @@ A vector is considered as Nx1 matrix in this library.
 
 Header file :
 
-    include "vector.hpp"
+    #include "marsvin/containers/vector.hpp"
 
 A **Vector** object can be created as,
 
@@ -88,9 +88,11 @@ A **Vector** object can be created as,
 
 #### Forward Substitution
 
-Solution of a lower triangular system
+Header file :
 
-For the following equation,
+    #include "marsvin/triangular_systems/forward_substitution.hpp"
+
+The algorithm provides a solution for the following equation,
 
 \f$ Lx = b \f$
 
@@ -150,6 +152,10 @@ For example,
 
 #### Inverse
 
+Header file :
+
+    #include "marsvin/triangular_system/lower_inverse.hpp"
+
 ### Upper Triangular Matrix
 #### Backward Substitution
 
@@ -215,6 +221,10 @@ For example,
 
 #### Inverse
 
+Header file :
+
+    #include "marsvin/triangular_system/upper_inverse.hpp"
+
 Giving the following equation,
 
 \f[
@@ -323,11 +333,30 @@ Then, the Following algorithm can be formulated,
 
 
 
-## Gauss Elimination
 
-TBD
+## LU Decomposition
+
+Given a \f$ n \times n \f$ matrix defined as \f$A\f$.
+A general expression for factorization can be written as,
+
+\f[
+PAQ = LU
+\f]
+
+where,
+
+\f$A\f$ : Matrix to be factorized. Dimension : \f$ n \times n \f$.
+
+\f$P\f$ : Permutation matrix to re-order rows of A. Dimension : \f$ n \times n \f$.
+
+\f$Q\f$ : Permutation matrix to re-order columns of A. Dimension : \f$ n \times n \f$.
+
+\f$L\f$ : Lower triangular matrix. Dimension : \f$ n \times n \f$.
+
+\f$U\f$ : Upper triangular matrix. Dimension : \f$ n \times n \f$.
 
 ### Partial Pivoting
 
-TBD
+TBD : Addingle pseudo code for algorithm.
+