diff --git a/src/Numerics/Numerics.csproj b/src/Numerics/Numerics.csproj
index 71693a57..d9b364b0 100644
--- a/src/Numerics/Numerics.csproj
+++ b/src/Numerics/Numerics.csproj
@@ -446,6 +446,7 @@
     <Compile Include="Threading\CommonParallel.cs" />
     <Compile Include="Trigonometry.cs" />
     <Compile Include="Window.cs" />
+    <Compile Include="Optimization\ExitCondition.cs" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="Properties\Resources.resx">
diff --git a/src/Numerics/Optimization/Exceptions.cs b/src/Numerics/Optimization/Exceptions.cs
index 841f97cb..c9c94f5b 100644
--- a/src/Numerics/Optimization/Exceptions.cs
+++ b/src/Numerics/Optimization/Exceptions.cs
@@ -34,7 +34,7 @@ namespace MathNet.Numerics.Optimization
         public EvaluationException(string message, double point)
             : base(message)
         {
-            this.Point = new DenseVector(1, point);
+            this.Point = DenseVector.Create(1, point);
         }
 
         public EvaluationException(string message, Exception inner_exception, Vector<double> point) 
diff --git a/src/Numerics/Optimization/ObjectiveChecker1D.cs b/src/Numerics/Optimization/ObjectiveChecker1D.cs
index ebd3ccc6..78484ec6 100644
--- a/src/Numerics/Optimization/ObjectiveChecker1D.cs
+++ b/src/Numerics/Optimization/ObjectiveChecker1D.cs
@@ -39,7 +39,7 @@ namespace MathNet.Numerics.Optimization
                     }
                     catch (Exception e)
                     {
-                        throw new EvaluationException("Objective function evaluation failed.", e, new DenseVector(1, this.Point));
+                        throw new EvaluationException("Objective function evaluation failed.", e, DenseVector.Create(1, this.Point));
                     }
                     this.Checker.ValueChecker(tmp, this.InnerEvaluation.Point);
                 }
@@ -61,7 +61,7 @@ namespace MathNet.Numerics.Optimization
                     }
                     catch (Exception e)
                     {
-                        throw new EvaluationException("Objective derivative evaluation failed.", e, new DenseVector(1, this.Point));
+                        throw new EvaluationException("Objective derivative evaluation failed.", e, DenseVector.Create(1, this.Point));
                     }
                     this.Checker.DerivativeChecker(tmp, this.InnerEvaluation.Point);
                 }
@@ -83,7 +83,7 @@ namespace MathNet.Numerics.Optimization
                     }
                     catch (Exception e)
                     {
-                        throw new EvaluationException("Objective second derivative evaluation failed.", e, new DenseVector(1,this.Point));
+                        throw new EvaluationException("Objective second derivative evaluation failed.", e, DenseVector.Create(1, this.Point));
                     }
                     this.Checker.SecondDerivativeChecker(tmp, this.InnerEvaluation.Point);
                 }
@@ -125,7 +125,7 @@ namespace MathNet.Numerics.Optimization
             }
             catch (Exception e)
             {
-                throw new EvaluationException("Objective evaluation failed.", e, new DenseVector(1,point));
+                throw new EvaluationException("Objective evaluation failed.", e, DenseVector.Create(1, point));
             }
         }
     }