rename Matrix to matrix

Author: Oceania2018

src/NumSharp.Core/Creation/NumPy.asarray.cs

@@ -9,7 +9,7 @@ namespace NumSharp.Core
 {
     public partial class NumPy
     {
-        public NDArray asarray(Matrix mx, int ndim = 1)
+        public NDArray asarray(matrix mx, int ndim = 1)
         {
             var nd = new NDArray(mx.dtype, mx.shape);
             nd.Storage = mx.Storage;

src/NumSharp.Core/Creation/NumPy.asmatrix.cs

@@ -7,7 +7,7 @@ namespace NumSharp.Core
 {
     public partial class NumPy
     {
-        public Matrix asmatrix(NDArray nd)
+        public matrix asmatrix(NDArray nd)
         {
             return nd.AsMatrix();
         }

src/NumSharp.Core/Extensions/Matrix .sum.cs

@@ -5,9 +5,9 @@
 
 namespace NumSharp.Core
 {
-    public partial class Matrix
+    public partial class matrix
     {
-        public new Matrix transpose()
+        public new matrix transpose()
         {
             Storage.Shape = new Shape(this.Storage.Shape.Shapes.Reverse().ToArray());
 

src/NumSharp.Core/Extensions/Matrix.transpose.cs

@@ -5,9 +5,9 @@
 
 namespace NumSharp.Core
 {
-    public partial class Matrix
+    public partial class matrix
     {
-        public Matrix sum()
+        public matrix sum()
         {
             return this;
         }

src/NumSharp.Core/Extensions/NdArray.AsMatrix.cs

@@ -8,9 +8,9 @@ namespace NumSharp.Core.Extensions
 {
     public static partial class NDArrayExtensions
     {
-        public static Matrix AsMatrix(this NDArray nd)
+        public static matrix AsMatrix(this NDArray nd)
         {
-            var npAsMatrix = new Matrix(nd);
+            var npAsMatrix = new matrix(nd);
 
             npAsMatrix.reshape(nd.shape);
 

src/NumSharp.Core/Manipulation/NumPy.ravel.cs

@@ -6,7 +6,7 @@ namespace NumSharp.Core.Manipulation
 {
     public partial class NumPy
     {
-        public NDArray ravel(Matrix mx)
+        public NDArray ravel(matrix mx)
         {
             var nd = new NDArray(mx.dtype, mx.size);
 

src/NumSharp.Core/Matrix.cs

@@ -3,9 +3,9 @@
 
 namespace NumSharp.Core
 {
-    public partial class Matrix: NDArray
+    public partial class matrix: NDArray
     {
-        public Matrix(NDArray data, Type dtype = null)
+        public matrix(NDArray data, Type dtype = null)
         {
             if (dtype == null)
             {
@@ -29,7 +29,7 @@ public Matrix(NDArray data, Type dtype = null)
             }
         }
 
-        public Matrix(string matrixString, Type dtype = null)
+        public matrix(string matrixString, Type dtype = null)
         {
             string[][] splitted = null;