From 9dd7dc45fe47b4ea312ac4dc8e6e2c7ac04f2f83 Mon Sep 17 00:00:00 2001
From: danijoo <danijob88@googlemail.com>
Date: Thu, 23 Dec 2021 22:26:02 +0100
Subject: [PATCH] fix ex. 2

---
 Exercise2/exercise2.ipynb | 50 +++++++++++++++++++--------------------
 1 file changed, 25 insertions(+), 25 deletions(-)

diff --git a/Exercise2/exercise2.ipynb b/Exercise2/exercise2.ipynb
index aa42495..5296838 100755
--- a/Exercise2/exercise2.ipynb
+++ b/Exercise2/exercise2.ipynb
@@ -19,7 +19,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -89,7 +89,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -125,7 +125,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -169,7 +169,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
@@ -219,7 +219,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -266,7 +266,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [
     {
@@ -300,7 +300,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 7,
    "metadata": {},
    "outputs": [
     {
@@ -344,7 +344,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 8,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -374,7 +374,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -420,7 +420,7 @@
     "\n",
     "    # ====================== YOUR CODE HERE ======================\n",
     "\n",
-    "    hypothesis = sigmoid(np.tensordot(theta, X, axes=(0, len(X.shape)-1)))\n",
+    "    hypothesis = sigmoid(np.tensordot(theta.T, X, axes=(0, len(X.shape)-1)))\n",
     "\n",
     "    J = 1/m * (-y * np.log(hypothesis) - (1-y)*np.log(1-hypothesis) ).sum()\n",
     "\n",
@@ -441,7 +441,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [
     {
@@ -500,7 +500,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 11,
    "metadata": {},
    "outputs": [
     {
@@ -554,7 +554,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [
     {
@@ -617,7 +617,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [
     {
@@ -652,7 +652,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 32,
+   "execution_count": 14,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -689,7 +689,7 @@
     "\n",
     "    # ====================== YOUR CODE HERE ======================\n",
     "\n",
-    "    p = sigmoid(np.tensordot(theta, X, axes=(0, len(X.shape)-1)))\n",
+    "    p = sigmoid(np.tensordot(theta.T, X, axes=(0, len(X.shape)-1)))\n",
     "    p = p >= 0.5\n",
     "    \n",
     "    # ============================================================\n",
@@ -705,7 +705,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 33,
+   "execution_count": 15,
    "metadata": {},
    "outputs": [
     {
@@ -743,7 +743,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 34,
+   "execution_count": 16,
    "metadata": {},
    "outputs": [
     {
@@ -786,7 +786,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 35,
+   "execution_count": 17,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -810,7 +810,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 36,
+   "execution_count": 18,
    "metadata": {},
    "outputs": [
     {
@@ -855,7 +855,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 37,
+   "execution_count": 19,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -887,7 +887,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 45,
+   "execution_count": 20,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -959,7 +959,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 46,
+   "execution_count": 21,
    "metadata": {},
    "outputs": [
     {
@@ -1032,7 +1032,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 47,
+   "execution_count": 22,
    "metadata": {},
    "outputs": [
     {
@@ -1113,7 +1113,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 48,
+   "execution_count": 23,
    "metadata": {},
    "outputs": [
     {