Fix derivative of squareRoot in document. (tensorflow#162)

Follow-up to swiftlang/swift#23139. Addresses tensorflow#161.
johangenis · Mar 24, 2019 · 770c741 · 770c741
1 parent d546d47
commit 770c741
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/DifferentiableFunctions.md b/docs/DifferentiableFunctions.md
@@ -197,7 +197,7 @@ let v = Vector(x: 2, y: 2)
 print(v.magnitude)
 // 2.828427
 print(gradient(at: v) { v in v.magnitude })
-// Vector(x: 64.0, y: 64.0)
+// Vector(x: 0.70710677, y: 0.70710677)
 ```
 
 ### Differentiating with respect to