From 543316345f1421f5e992734c20d03d96e51edbd8 Mon Sep 17 00:00:00 2001
From: timv <tim.f.vieira@gmail.com>
Date: Mon, 17 Dec 2012 15:46:30 -0500
Subject: [PATCH] added sigmoid - a simple example of back-chained math

---
 examples/sigmoid.dyna | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 examples/sigmoid.dyna

diff --git a/examples/sigmoid.dyna b/examples/sigmoid.dyna
new file mode 100644
index 0000000..c095838
--- /dev/null
+++ b/examples/sigmoid.dyna
@@ -0,0 +1,6 @@
+% FIXME: should all be '=' instead of '+='
+sigmoid(X) += 1 / (1 + exp(-X)).
+
+a += sigmoid(-1).
+b += sigmoid(0).
+c += sigmoid(1).
\ No newline at end of file
-- 
2.50.1