diff --git a/src/Numerics/LinearAlgebra/Complex/SparseMatrix.cs b/src/Numerics/LinearAlgebra/Complex/SparseMatrix.cs
index 602f44f9..a883e048 100644
--- a/src/Numerics/LinearAlgebra/Complex/SparseMatrix.cs
+++ b/src/Numerics/LinearAlgebra/Complex/SparseMatrix.cs
@@ -1367,6 +1367,11 @@ namespace MathNet.Numerics.LinearAlgebra.Complex
 
             return (SparseMatrix)leftSide.Modulus(rightSide);
         }
+
+        public override string ToTypeString()
+        {
+            return string.Format("SparseMatrix {0}x{1}-Complex {2:P2} Filled", RowCount, ColumnCount, 100d * NonZerosCount / (RowCount * (double)ColumnCount));
+        }
     }
  }
 
diff --git a/src/Numerics/LinearAlgebra/Complex/SparseVector.cs b/src/Numerics/LinearAlgebra/Complex/SparseVector.cs
index 1ce1d42e..52af8e8e 100644
--- a/src/Numerics/LinearAlgebra/Complex/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Complex/SparseVector.cs
@@ -1034,5 +1034,10 @@ namespace MathNet.Numerics.LinearAlgebra.Complex
             return ret;
         }
         #endregion
+
+        public override string ToTypeString()
+        {
+            return string.Format("SparseVector {0}-Complex {1:P2} Filled", Count, NonZerosCount / (double)Count);
+        }
     }
 }
diff --git a/src/Numerics/LinearAlgebra/Complex32/SparseMatrix.cs b/src/Numerics/LinearAlgebra/Complex32/SparseMatrix.cs
index e4b68103..7ee8f8cd 100644
--- a/src/Numerics/LinearAlgebra/Complex32/SparseMatrix.cs
+++ b/src/Numerics/LinearAlgebra/Complex32/SparseMatrix.cs
@@ -1366,5 +1366,10 @@ namespace MathNet.Numerics.LinearAlgebra.Complex32
 
             return (SparseMatrix)leftSide.Modulus(rightSide);
         }
+
+        public override string ToTypeString()
+        {
+            return string.Format("SparseMatrix {0}x{1}-Complex32 {2:P2} Filled", RowCount, ColumnCount, 100d * NonZerosCount / (RowCount * (double)ColumnCount));
+        }
     }
 }
diff --git a/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs b/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs
index 4ce331c4..0579a4a0 100644
--- a/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs
@@ -1034,5 +1034,10 @@ namespace MathNet.Numerics.LinearAlgebra.Complex32
             return ret;
         }
         #endregion
+
+        public override string ToTypeString()
+        {
+            return string.Format("SparseVector {0}-Complex32 {1:P2} Filled", Count, NonZerosCount / (double)Count);
+        }
     }
 }
diff --git a/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs b/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs
index 938a6c12..d34f1c03 100644
--- a/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs
+++ b/src/Numerics/LinearAlgebra/Double/SparseMatrix.cs
@@ -1391,5 +1391,10 @@ namespace MathNet.Numerics.LinearAlgebra.Double
 
             return (SparseMatrix)leftSide.Modulus(rightSide);
         }
+
+        public override string ToTypeString()
+        {
+            return string.Format("SparseMatrix {0}x{1}-Double {2:P2} Filled", RowCount, ColumnCount, NonZerosCount / (RowCount * (double)ColumnCount));
+        }
     }
 }
diff --git a/src/Numerics/LinearAlgebra/Double/SparseVector.cs b/src/Numerics/LinearAlgebra/Double/SparseVector.cs
index 510eed82..7bd49bb2 100644
--- a/src/Numerics/LinearAlgebra/Double/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Double/SparseVector.cs
@@ -1068,5 +1068,10 @@ namespace MathNet.Numerics.LinearAlgebra.Double
         }
 
         #endregion
+
+        public override string ToTypeString()
+        {
+            return string.Format("SparseVector {0}-Double {1:P2} Filled", Count, NonZerosCount / (double)Count);
+        }
     }
 }
diff --git a/src/Numerics/LinearAlgebra/Single/SparseMatrix.cs b/src/Numerics/LinearAlgebra/Single/SparseMatrix.cs
index 363d7c5b..67346b6b 100644
--- a/src/Numerics/LinearAlgebra/Single/SparseMatrix.cs
+++ b/src/Numerics/LinearAlgebra/Single/SparseMatrix.cs
@@ -1390,5 +1390,10 @@ namespace MathNet.Numerics.LinearAlgebra.Single
 
             return (SparseMatrix)leftSide.Modulus(rightSide);
         }
+
+        public override string ToTypeString()
+        {
+            return string.Format("SparseMatrix {0}x{1}-Single {2:P2} Filled", RowCount, ColumnCount, NonZerosCount / (RowCount * (double)ColumnCount));
+        }
     }
 }
diff --git a/src/Numerics/LinearAlgebra/Single/SparseVector.cs b/src/Numerics/LinearAlgebra/Single/SparseVector.cs
index a5edeae0..8dbb5a05 100644
--- a/src/Numerics/LinearAlgebra/Single/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Single/SparseVector.cs
@@ -1072,5 +1072,10 @@ namespace MathNet.Numerics.LinearAlgebra.Single
         }
 
         #endregion
+
+        public override string ToTypeString()
+        {
+            return string.Format("SparseVector {0}-Single {1:P2} Filled", Count, NonZerosCount / (double)Count);
+        }
     }
 }