Add files via upload

Last change on 20190307

Author: littlefish0331

course_code_matplot/3dplot.py

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+import numpy as np
+import matplotlib.pyplot as plt
+from mpl_toolkits.mplot3d import Axes3D
+fig = plt.figure()
+ax = fig.add_subplot(111, projection='3d')
+
+x1 = np.random.rand(100)
+y1 = np.random.rand(100)
+z1 = np.random.rand(100)
+ax.scatter(x1,y1,z1,s=20, color='red')
+
+plt.show()

course_code_matplot/3dplot2.py

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+import numpy as np
+import matplotlib.pyplot as plt
+from mpl_toolkits.mplot3d import Axes3D
+fig = plt.figure()
+ax = fig.add_subplot(111, projection='3d')
+
+x1 = np.random.rand(10)
+y1 = np.random.rand(10)
+z1 = np.random.rand(10)
+
+x2 = np.random.rand(10)
+y2 = np.random.rand(10)
+z2 = np.random.rand(10)
+
+ax.scatter(x1,y1,z1,s=20, color='red', marker='^')
+ax.scatter(x2,y2,z2,s=20, color='blue', marker='o')
+
+plt.show()

course_code_matplot/bar.py

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+import matplotlib.pyplot as plt
+
+x1 = [1,2,3,4,5]
+y1 = [1,2,4,8,16]
+
+colors = [ 'green', 'red', 'blue', 'orange', 'lightblue']
+
+plt.bar(x1,y1,edgecolor='black',color=colors, linewidth=2)
+plt.title('Your title')
+plt.xlabel('Horizontal title')
+plt.ylabel('Vertical title')
+plt.show()

course_code_matplot/fill.py

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+import matplotlib.pyplot as plt
+import numpy as np
+
+X = np.arange(0,10)
+Y1 = 0.05*X*X
+
+plt.ylim(0, 5)
+plt.plot(X, Y1, color='blue')
+plt.fill_between(X, Y1, color='red', alpha='0.5')
+plt.show()

course_code_matplot/fill2.py

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+import matplotlib.pyplot as plt
+import numpy as np
+
+X = np.arange(0,10)
+Y1 = 0.05*X*X
+Y2 = 0.03*X*X
+
+plt.ylim(0, 5)
+plt.plot(X, Y1, color='blue')
+plt.plot(X, Y2, color='red')
+plt.fill_between(X, Y1, Y2, color='red', alpha='0.5')
+plt.show()

course_code_matplot/grid.py

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+import matplotlib.pyplot as plt
+
+x1 = [1,2,3,4,5]
+y1 = [1,2,4,8,16]
+
+plt.plot(x1, y1, 'ro--', label='students')
+plt.legend(loc='best')
+plt.title('Your title')
+plt.xlabel('Horizontal title')
+plt.ylabel('Vertical title')
+plt.grid(which='major',linestyle='-', color='black')
+plt.minorticks_on()
+plt.grid(which='minor',linestyle='--', color='gray', alpha=0.2)
+plt.show()

course_code_matplot/legend-example.py

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+import matplotlib.pyplot as plt
+
+x1 = [1,2,3,4,5]
+y1 = [1,2,4,8,16]
+y2 = [1,1,2,3,5]
+
+plt.plot(x1, y1, 'ro-', label='students')
+plt.plot(x1, y2, 'b^-', label='teachers')
+
+plt.subplots_adjust(left=0.3, bottom=0.3)
+plt.legend(bbox_to_anchor=(-0.15, 0.17), loc='upper right')
+
+plt.title('Your title')
+plt.xlabel('Horizontal title')
+plt.ylabel('Vertical title')
+plt.grid(True)
+plt.show()

course_code_matplot/lineplot.py

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+import matplotlib.pyplot as plt
+
+x1 = [1,2,3,4,5]
+y1 = [1,2,4,8,16]
+
+plt.plot(x1, y1, 'ro--', label='students')
+plt.title('Your title')
+plt.xlabel('Horizontal title')
+plt.ylabel('Vertical title')
+plt.show()

course_code_matplot/loadFromExcel.py

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+import pandas as pd
+from pandas import ExcelFile
+
+df = pd.read_excel('data.xlsx', sheetname='Sheet1')
+ 
+X = list(df['X'])
+Y = list(df['Y'])

course_code_matplot/loadFromFile.py

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+X = []
+Y = []
+
+with open('values.txt','r') as myfile:
+    for line in myfile:
+        Y.append( int(line) )
+
+X = list(range(0,len(Y)+1))
+print(X)
+print(Y)

course_code_matplot/multilineplot.py

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+import matplotlib.pyplot as plt
+
+x1 = [1,2,3,4,5]
+y1 = [1,2,4,8,16]
+
+x2 = [1,2,3,4,5]
+y2 = [1,3,9,13,16]
+
+x3 = [1,2,3,4,5]
+y3 = [2,4,6,8,10]
+
+plt.plot(x1, y1, 'ro--', label='students')
+plt.plot(x2, y2, 'b^-', label='grades')
+plt.plot(x3, y3, 'g-', label='visitors')
+plt.legend(loc='best')
+
+plt.title('Your title')
+plt.xlabel('Horizontal title')
+plt.ylabel('Vertical title')
+plt.show()

course_code_matplot/pie.py

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+import matplotlib.pyplot as plt
+
+values = [16,18,4,8]
+pielabels = ['Python', 'Ruby', 'Java', 'Perl']
+piecolors = ['red','orange','yellow','maroon']
+pieexplode = [0,0.1,0,0]
+
+plt.pie(values, labels=pielabels,explode=pieexplode,colors=piecolors,startangle=0,shadow=True)
+plt.title('Pie Chart')
+plt.xlabel('Horizontal title')
+plt.ylabel('Vertical title')
+plt.legend(loc='best')
+plt.show()

course_code_matplot/scatterplot.py

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+import matplotlib.pyplot as plt
+import numpy as np
+import seaborn as sns
+sns.set_style("darkgrid")
+
+N = 50
+x1 = np.random.rand(N)
+y1 = np.random.rand(N)
+s1 = np.random.rand(N) * 300
+x2 = np.random.rand(N)
+y2 = np.random.rand(N)
+s2 = np.random.rand(N) * 300
+
+plt.scatter(x1, y1,s=s1)
+plt.scatter(x2, y2,s=s2)
+plt.title('Your title')
+plt.xlabel('Horizontal title')
+plt.ylabel('Vertical title')
+plt.show()

course_code_matplot/style.py

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+import matplotlib.pyplot as plt
+
+plt.style.use('ggplot')
+print(plt.style.available)
+
+x1 = [1,2,3,4,5]
+y1 = [1,2,4,8,16]
+
+plt.bar(x1,y1)
+plt.title('Your title')
+plt.xlabel('Horizontal title')
+plt.ylabel('Vertical title')
+plt.show()

course_code_matplot/style2.py

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+import matplotlib.pyplot as plt
+import seaborn as sns
+
+sns.set_style("darkgrid")
+
+x1 = [1,2,3,4,5]
+y1 = [1,2,4,8,16]
+
+plt.bar(x1,y1)
+plt.title('Your title')
+plt.xlabel('Horizontal title')
+plt.ylabel('Vertical title')
+plt.show()

course_code_matplot/style2_plot2.py

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+import matplotlib.pyplot as plt
+
+x1 = [1,2,3,4,5]
+y1 = [1,2,4,8,16]
+
+x2 = [1,2,3,4,5]
+y2 = [1,3,9,13,16]
+
+x3 = [1,2,3,4,5]
+y3 = [2,4,6,8,10]
+
+plt.plot(x1, y1, 'ro--', label='students')
+plt.plot(x2, y2, 'b^-', label='grades')
+plt.plot(x3, y3, 'g-', label='visitors')
+plt.legend(loc='best')
+
+plt.title('Your title')
+plt.xlabel('Horizontal title')
+plt.ylabel('Vertical title')
+plt.show()

course_code_matplot/subplots.py

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+import matplotlib.pyplot as plt
+import numpy as np
+
+x = [1,2,3]
+y = [1,2,3]
+
+fig = plt.figure()
+fig.suptitle('Plot Title')
+
+plt.subplot(2,2,1)
+plt.plot(x,y)
+plt.xlabel('x1')
+plt.ylabel('y1')
+
+plt.subplot(2,2,2)
+plt.plot(x,y, color='red')
+plt.xlabel('x2')
+plt.ylabel('y2')
+
+plt.subplot(2,2,3)
+plt.plot(x,y, color='red')
+plt.xlabel('x2')
+plt.ylabel('y2')
+
+plt.subplot(2,2,4)
+plt.plot(x,y, color='red')
+plt.xlabel('x2')
+plt.ylabel('y2')
+
+
+plt.show()

data_myself/data.xlsx

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+10
+20
+30
+40
+50