From 67f33429cc54c1955763f64815bcd9919a19d34e Mon Sep 17 00:00:00 2001
From: Ian Beauregard <ian.beauregard@gmail.com>
Date: Sat, 15 Aug 2020 10:08:44 -0400
Subject: [PATCH] Remove useless code

---
 04_training_linear_models.ipynb | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/04_training_linear_models.ipynb b/04_training_linear_models.ipynb
index 0ac4d1a..e85e30f 100644
--- a/04_training_linear_models.ipynb
+++ b/04_training_linear_models.ipynb
@@ -1657,9 +1657,6 @@
     "for iteration in range(n_iterations):\n",
     "    logits = X_train.dot(Theta)\n",
     "    Y_proba = softmax(logits)\n",
-    "    xentropy_loss = -np.mean(np.sum(Y_train_one_hot * np.log(Y_proba + epsilon), axis=1))\n",
-    "    l2_loss = 1/2 * np.sum(np.square(Theta[1:]))\n",
-    "    loss = xentropy_loss + alpha * l2_loss\n",
     "    error = Y_proba - Y_train_one_hot\n",
     "    gradients = 1/m * X_train.T.dot(error) + np.r_[np.zeros([1, n_outputs]), alpha * Theta[1:]]\n",
     "    Theta = Theta - eta * gradients\n",