diff --git a/src/TensorFlowNET.Core/Tensors/Tensor.Flatten.cs b/src/TensorFlowNET.Core/Tensors/Tensor.Flatten.cs
new file mode 100644
index 00000000..5e729a14
--- /dev/null
+++ b/src/TensorFlowNET.Core/Tensors/Tensor.Flatten.cs
@@ -0,0 +1,15 @@
+using NumSharp;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Tensorflow
+{
+    public partial class Tensor
+    {
+        public object[] Flatten()
+        {
+            return new Tensor[] { this };
+        }
+    }
+}
diff --git a/src/TensorFlowNET.Core/Tensors/Tensor.cs b/src/TensorFlowNET.Core/Tensors/Tensor.cs
index 99a373c4..9f505419 100644
--- a/src/TensorFlowNET.Core/Tensors/Tensor.cs
+++ b/src/TensorFlowNET.Core/Tensors/Tensor.cs
@@ -39,7 +39,12 @@ namespace Tensorflow
     /// Internally, TensorFlow represents tensors as n-dimensional arrays of base datatypes.
     /// </summary>
     [SuppressMessage("ReSharper", "ConvertToAutoProperty")]
-    public partial class Tensor : DisposableObject, ITensorOrOperation, _TensorLike, ITensorOrTensorArray, IPackable<Tensor>
+    public partial class Tensor : DisposableObject, 
+        ITensorOrOperation, 
+        _TensorLike, 
+        ITensorOrTensorArray, 
+        IPackable<Tensor>,
+        ICanBeFlattened
     {
         private readonly int _id;
         private readonly Operation _op;
diff --git a/src/TensorFlowNET.Core/Tensors/TensorArray.cs b/src/TensorFlowNET.Core/Tensors/TensorArray.cs
index fe9e2d6d..369b9dc0 100644
--- a/src/TensorFlowNET.Core/Tensors/TensorArray.cs
+++ b/src/TensorFlowNET.Core/Tensors/TensorArray.cs
@@ -61,5 +61,11 @@ namespace Tensorflow
 
         public Tensor read(Tensor index, string name = null)
             => _implementation.read(index, name: name);
+
+        public TensorArray write(Tensor index, Tensor value, string name = null)
+            => _implementation.write(index, value, name: name);
+
+        public Tensor stack(string name = null)
+            => _implementation.stack(name: name);
     }
 }
diff --git a/src/TensorFlowNET.Core/Tensors/dtypes.cs b/src/TensorFlowNET.Core/Tensors/dtypes.cs
index 2a2a9bfa..59de20ac 100644
--- a/src/TensorFlowNET.Core/Tensors/dtypes.cs
+++ b/src/TensorFlowNET.Core/Tensors/dtypes.cs
@@ -33,6 +33,9 @@ namespace Tensorflow
         public static TF_DataType float32 = TF_DataType.TF_FLOAT; // is that float32?
         public static TF_DataType float16 = TF_DataType.TF_HALF;
         public static TF_DataType float64 = TF_DataType.TF_DOUBLE;
+        public static TF_DataType complex = TF_DataType.TF_COMPLEX;
+        public static TF_DataType complex64 = TF_DataType.TF_COMPLEX64;
+        public static TF_DataType complex128 = TF_DataType.TF_COMPLEX128;
         public static TF_DataType variant = TF_DataType.TF_VARIANT;
         public static TF_DataType resource = TF_DataType.TF_RESOURCE;