Update ⊗ to matmul to reflect an API change.

rxwei · web-flow · commit 0cc0bf13aba8 · 2018-05-31T15:12:41.000-07:00
diff --git a/README.md b/README.md
@@ -21,7 +21,7 @@ import TensorFlow
 var x = Tensor<Float>([[1, 2], [3, 4]])
 
 for i in 1...5 {
-    x += x ⊗ x
+    x += matmul(x, x)
 }
 
 print(x)
