From 35bcff54502dcc6fb2fc24de56bf27c1936ae6f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Geron?= <ageron@users.noreply.github.com>
Date: Tue, 5 Nov 2019 11:16:48 +0800
Subject: [PATCH] Fix error in OneCycleSchedule._interpolate(), fixes #56

---
 11_training_deep_neural_networks.ipynb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/11_training_deep_neural_networks.ipynb b/11_training_deep_neural_networks.ipynb
index a9f798f..f8fe953 100644
--- a/11_training_deep_neural_networks.ipynb
+++ b/11_training_deep_neural_networks.ipynb
@@ -1679,7 +1679,7 @@
     "        self.last_rate = last_rate or self.start_rate / 1000\n",
     "        self.iteration = 0\n",
     "    def _interpolate(self, iter1, iter2, rate1, rate2):\n",
-    "        return ((rate2 - rate1) * (iter2 - self.iteration)\n",
+    "        return ((rate2 - rate1) * (self.iteration - iter1)\n",
     "                / (iter2 - iter1) + rate1)\n",
     "    def on_batch_begin(self, batch, logs):\n",
     "        if self.iteration < self.half_iteration:\n",
@@ -2618,7 +2618,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.8"
+   "version": "3.7.4"
   },
   "nav_menu": {
    "height": "360px",