diff --git a/src/Numerics/LinearAlgebra/Generic/Matrix.cs b/src/Numerics/LinearAlgebra/Generic/Matrix.cs
index 69894a66..05cb2cc8 100644
--- a/src/Numerics/LinearAlgebra/Generic/Matrix.cs
+++ b/src/Numerics/LinearAlgebra/Generic/Matrix.cs
@@ -470,11 +470,11 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
         public virtual Matrix<T> LowerTriangle()
         {
             var ret = CreateMatrix(RowCount, ColumnCount);
-            for (var j = 0; j < ColumnCount; j++) 
+            for (var column = 0; column < ColumnCount; column++) 
             {
-                for (var i = j; i < RowCount; i++)
+                for (var row = column; row < RowCount; row++)
                 {
-                    ret.At(i, j, At(i, j));
+                    ret.At(row, column, At(row, column));
                 }
             }
 
@@ -499,11 +499,11 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
                 throw new ArgumentException(Resources.ArgumentMatrixDimensions, "result");
             }
 
-            for (var j = 0; j < ColumnCount; j++)
+            for (var column = 0; column < ColumnCount; column++)
             {
-                for (var i = 0; i < RowCount; i++)
+                for (var row = 0; row < RowCount; row++)
                 {
-                    result.At(i, j, i >= j ? At(i, j) : default(T));
+                    result.At(row, column, row >= column ? At(row, column) : default(T));
                 }
             }
         }
@@ -516,14 +516,14 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
         {
             var ret = CreateMatrix(RowCount, ColumnCount);
 
-            for (var j = 0; j < ColumnCount; j++)
+            for (var column = 0; column < ColumnCount; column++)
             {
                 {
-                    for (var i = 0; i < RowCount; i++)
+                    for (var row = 0; row < RowCount; row++)
                     {
-                        if (i <= j)
+                        if (row <= column)
                         {
-                            ret.At(i, j, At(i, j));
+                            ret.At(row, column, At(row, column));
                         }
                     }
                 }
@@ -550,11 +550,11 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
                 throw new ArgumentException(Resources.ArgumentMatrixDimensions, "result");
             }
 
-            for (var j = 0; j < ColumnCount; j++)
+            for (var column = 0; column < ColumnCount; column++)
             {
-                for (var i = 0; i < RowCount; i++)
+                for (var row = 0; row < RowCount; row++)
                 {
-                    result.At(i, j, i <= j ? At(i, j) : default(T));
+                    result.At(row, column, row <= column ? At(row, column) : default(T));
                 }
             }
         }
@@ -750,13 +750,13 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
         {
             var result = CreateMatrix(RowCount, ColumnCount);
 
-            for (var i = 0; i < RowCount; i++)
+            for (var row = 0; row < RowCount; row++)
             {
-                for (var j = 0; j < ColumnCount; j++)
+                for (var column = 0; column < ColumnCount; column++)
                 {
-                    if (i > j)
+                    if (row > column)
                     {
-                        result.At(i, j, At(i, j));
+                        result.At(row, column, At(row, column));
                     }
                 }
             }
@@ -782,11 +782,11 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
                 throw new ArgumentException(Resources.ArgumentMatrixDimensions, "result");
             }
 
-            for (var i = 0; i < RowCount; i++)
+            for (var row = 0; row < RowCount; row++)
             {
-                for (var j = 0; j < ColumnCount; j++)
+                for (var column = 0; column < ColumnCount; column++)
                 {
-                    result.At(i, j, i > j ? At(i, j) : default(T));
+                    result.At(row, column, row > column ? At(row, column) : default(T));
                 }
             }
         }
@@ -800,13 +800,13 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
         {
             var result = CreateMatrix(RowCount, ColumnCount);
 
-            for (var i = 0; i < RowCount; i++)
+            for (var row = 0; row < RowCount; row++)
             {
-                for (var j = 0; j < ColumnCount; j++)
+                for (var column = 0; column < ColumnCount; column++)
                 {
-                    if (i < j)
+                    if (row < column)
                     {
-                        result.At(i, j, At(i, j));
+                        result.At(row, column, At(row, column));
                     }
                 }
             }
@@ -832,11 +832,11 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
                 throw new ArgumentException(Resources.ArgumentMatrixDimensions, "result");
             }
 
-            for (var i = 0; i < RowCount; i++)
+            for (var row = 0; row < RowCount; row++)
             {
-                for (var j = 0; j < ColumnCount; j++)
+                for (var column = 0; column < ColumnCount; column++)
                 {
-                    result.At(i, j, i < j ? At(i, j) : default(T));
+                    result.At(row, column, row < column ? At(row, column) : default(T));
                 }
             }
         }