From 2242b61d77747feed8bccfe87f662d5608d01110 Mon Sep 17 00:00:00 2001
From: Visualize-ML <105787223+Visualize-ML@users.noreply.github.com>
Date: Fri, 2 Sep 2022 06:06:03 -0400
Subject: [PATCH] Delete Bk4_Ch1_03.py

---
 Book4_Ch01_Python_Codes/Bk4_Ch1_03.py | 36 ---------------------------
 1 file changed, 36 deletions(-)
 delete mode 100644 Book4_Ch01_Python_Codes/Bk4_Ch1_03.py

diff --git a/Book4_Ch01_Python_Codes/Bk4_Ch1_03.py b/Book4_Ch01_Python_Codes/Bk4_Ch1_03.py
deleted file mode 100644
index d16adf1..0000000
--- a/Book4_Ch01_Python_Codes/Bk4_Ch1_03.py
+++ /dev/null
@@ -1,36 +0,0 @@
-
-###############
-# Authored by Weisheng Jiang
-# Book 4  |  From Basic Arithmetic to Machine Learning
-# Published and copyrighted by Tsinghua University Press
-# Beijing, China, 2022
-###############
-
-# Bk4_Ch1_03.py
-
-import matplotlib.pyplot as plt
-import numpy as np
-
-x1 = np.linspace(-10, 10, num=201);
-x2 = x1;
-
-xx1, xx2 = np.meshgrid(x1,x2)
-p = 2
-zz = ((np.abs((xx1))**p) + (np.abs((xx2))**p))**(1./p)
-
-fig, ax = plt.subplots(figsize=(12, 12))
-
-ax.contour(xx1, xx2, zz, levels = np.arange(11), cmap='RdYlBu_r')
-
-ax.axhline(y=0, color='k', linewidth = 0.25)
-ax.axvline(x=0, color='k', linewidth = 0.25)
-ax.set_xlim(-12, 12)
-ax.set_ylim(-12, 12)
-ax.spines['top'].set_visible(False)
-ax.spines['right'].set_visible(False)
-ax.spines['bottom'].set_visible(False)
-ax.spines['left'].set_visible(False)
-ax.set_xlabel('$x_1$')
-ax.set_ylabel('$x_2$')
-ax.set_aspect('equal', adjustable='box')
-plt.show()