diff --git a/src/UnitTests/LinearAlgebraTests/Complex/Factorization/QRTests.cs b/src/UnitTests/LinearAlgebraTests/Complex/Factorization/QRTests.cs
index 390fe5fd..1019b5fc 100644
--- a/src/UnitTests/LinearAlgebraTests/Complex/Factorization/QRTests.cs
+++ b/src/UnitTests/LinearAlgebraTests/Complex/Factorization/QRTests.cs
@@ -149,7 +149,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Complex.Factorization
         public void CanFactorizeRandomMatrix(int row, int column)
         {
             var matrixA = MatrixLoader.GenerateRandomDenseMatrix(row, column);
-            var factorQR = matrixA.QR();
+            var factorQR = matrixA.QR(QRMethod.Full);
             var q = factorQR.Q;
             var r = factorQR.R;
 
diff --git a/src/UnitTests/LinearAlgebraTests/Complex/Factorization/UserQRTests.cs b/src/UnitTests/LinearAlgebraTests/Complex/Factorization/UserQRTests.cs
index 9af00883..691f1ba4 100644
--- a/src/UnitTests/LinearAlgebraTests/Complex/Factorization/UserQRTests.cs
+++ b/src/UnitTests/LinearAlgebraTests/Complex/Factorization/UserQRTests.cs
@@ -149,7 +149,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Complex.Factorization
         public void CanFactorizeRandomMatrix(int row, int column)
         {
             var matrixA = MatrixLoader.GenerateRandomUserDefinedMatrix(row, column);
-            var factorQR = matrixA.QR();
+            var factorQR = matrixA.QR(QRMethod.Full);
             var q = factorQR.Q;
             var r = factorQR.R;
 
diff --git a/src/UnitTests/LinearAlgebraTests/Complex32/Factorization/QRTests.cs b/src/UnitTests/LinearAlgebraTests/Complex32/Factorization/QRTests.cs
index d2a19507..991aae05 100644
--- a/src/UnitTests/LinearAlgebraTests/Complex32/Factorization/QRTests.cs
+++ b/src/UnitTests/LinearAlgebraTests/Complex32/Factorization/QRTests.cs
@@ -150,7 +150,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Complex32.Factorization
         public void CanFactorizeRandomMatrix(int row, int column)
         {
             var matrixA = MatrixLoader.GenerateRandomDenseMatrix(row, column);
-            var factorQR = matrixA.QR();
+            var factorQR = matrixA.QR(QRMethod.Full);
             var q = factorQR.Q;
             var r = factorQR.R;
 
diff --git a/src/UnitTests/LinearAlgebraTests/Complex32/Factorization/UserQRTests.cs b/src/UnitTests/LinearAlgebraTests/Complex32/Factorization/UserQRTests.cs
index ed422f1c..c6459845 100644
--- a/src/UnitTests/LinearAlgebraTests/Complex32/Factorization/UserQRTests.cs
+++ b/src/UnitTests/LinearAlgebraTests/Complex32/Factorization/UserQRTests.cs
@@ -148,7 +148,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Complex32.Factorization
         public void CanFactorizeRandomMatrix(int row, int column)
         {
             var matrixA = MatrixLoader.GenerateRandomUserDefinedMatrix(row, column);
-            var factorQR = matrixA.QR();
+            var factorQR = matrixA.QR(QRMethod.Full);
             var q = factorQR.Q;
             var r = factorQR.R;
 
diff --git a/src/UnitTests/LinearAlgebraTests/Double/Factorization/QRTests.cs b/src/UnitTests/LinearAlgebraTests/Double/Factorization/QRTests.cs
index c26a0cc6..80afd8ea 100644
--- a/src/UnitTests/LinearAlgebraTests/Double/Factorization/QRTests.cs
+++ b/src/UnitTests/LinearAlgebraTests/Double/Factorization/QRTests.cs
@@ -147,7 +147,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Double.Factorization
         public void CanFactorizeRandomMatrix(int row, int column)
         {
             var matrixA = MatrixLoader.GenerateRandomDenseMatrix(row, column);
-            var factorQR = matrixA.QR();
+            var factorQR = matrixA.QR(QRMethod.Full);
             var q = factorQR.Q;
             var r = factorQR.R;
 
diff --git a/src/UnitTests/LinearAlgebraTests/Double/Factorization/UserQRTests.cs b/src/UnitTests/LinearAlgebraTests/Double/Factorization/UserQRTests.cs
index abd95848..8cf820bb 100644
--- a/src/UnitTests/LinearAlgebraTests/Double/Factorization/UserQRTests.cs
+++ b/src/UnitTests/LinearAlgebraTests/Double/Factorization/UserQRTests.cs
@@ -146,7 +146,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Double.Factorization
         public void CanFactorizeRandomMatrix(int row, int column)
         {
             var matrixA = MatrixLoader.GenerateRandomUserDefinedMatrix(row, column);
-            var factorQR = matrixA.QR();
+            var factorQR = matrixA.QR(QRMethod.Full);
             var q = factorQR.Q;
             var r = factorQR.R;
 
diff --git a/src/UnitTests/LinearAlgebraTests/Single/Factorization/QRTests.cs b/src/UnitTests/LinearAlgebraTests/Single/Factorization/QRTests.cs
index 020b849a..e5c823ba 100644
--- a/src/UnitTests/LinearAlgebraTests/Single/Factorization/QRTests.cs
+++ b/src/UnitTests/LinearAlgebraTests/Single/Factorization/QRTests.cs
@@ -148,7 +148,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Single.Factorization
         public void CanFactorizeRandomMatrix(int row, int column)
         {
             var matrixA = MatrixLoader.GenerateRandomDenseMatrix(row, column);
-            var factorQR = matrixA.QR();
+            var factorQR = matrixA.QR(QRMethod.Full);
             var q = factorQR.Q;
             var r = factorQR.R;
 
diff --git a/src/UnitTests/LinearAlgebraTests/Single/Factorization/UserQRTests.cs b/src/UnitTests/LinearAlgebraTests/Single/Factorization/UserQRTests.cs
index 8722d094..f4d034ff 100644
--- a/src/UnitTests/LinearAlgebraTests/Single/Factorization/UserQRTests.cs
+++ b/src/UnitTests/LinearAlgebraTests/Single/Factorization/UserQRTests.cs
@@ -146,7 +146,7 @@ namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Single.Factorization
         public void CanFactorizeRandomMatrix(int row, int column)
         {
             var matrixA = MatrixLoader.GenerateRandomUserDefinedMatrix(row, column);
-            var factorQR = matrixA.QR();
+            var factorQR = matrixA.QR(QRMethod.Full);
             var q = factorQR.Q;
             var r = factorQR.R;