1 files changed, 32 insertions, 1 deletions
diff --git a/example.py b/example.py
index 84fb9f0..4c00845 100755
--- a/example.py
+++ b/example.py
@@ -1,7 +1,35 @@
 #!/usr/bin/env python
 
 from src.scalar import Scalar
-from src.graph import Graph
+
+h = 0.0001
+
+# def one():
+#     a = Scalar(2, label='a')
+#     b = Scalar(-3, label='b')
+#     c = Scalar(10, label='c')
+#     f = Scalar(-2, label='f')
+#
+#     d = a * b; d.label = 'd'
+#     e = d + c; e.label = 'e'
+#     L = e * f; L.label = 'L'
+#
+#     return L.data
+#
+# def two():
+#     a = Scalar(2, label='a')
+#     b = Scalar(-3, label='b')
+#     c = Scalar(10, label='c')
+#     f = Scalar(-2, label='f')
+#
+#     d = a * b; d.label = 'd'
+#     d.data += h
+#     e = d + c; e.label = 'e'
+#     L = e * f; L.label = 'L'
+#
+#     return L.data
+#
+# print((two() - one()) / h)
 
 a = Scalar(2, label='a')
 b = Scalar(-3, label='b')
@@ -15,5 +43,8 @@ L = e * f; L.label = 'L'
 L.grad = 1.0
 e.grad = -2.0
 f.grad = 4.0
+d.grad = -2.0
+c.grad = -2.0
 
+from src.graph import Graph
 Graph(L).show()