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-修正了，图像没画在一张画布上的问题 #26

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-修正了，图像没画在一张画布上的问题 #26

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2 changes: 2 additions & 0 deletions Book4_Ch08_Python_Codes/Bk4_Ch8_01.py
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Original file line number Diff line number Diff line change
Expand Up @@ -71,3 +71,5 @@ def plot_shape(X,copy = False):
ax.spines['left'].set_visible(False)
plt.xlabel('$x_1$')
plt.ylabel('$x_2$')

plt.show()
11 changes: 7 additions & 4 deletions Book4_Ch08_Python_Codes/Bk4_Ch8_02.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@ def plot_shape(X,copy = False):
markeredgecolor = edge_color*0.5,
linestyle = 'None')



X = np.array([[1,1],
[0,-1],
[-1,-1],
Expand All @@ -35,12 +37,11 @@ def plot_shape(X,copy = False):
# visualizations

thetas = np.linspace(30, 330, num=11)
fig, ax = plt.subplots()

for theta in thetas:
for theta in thetas:

fig, ax = plt.subplots()

theta = theta/180*np.pi;
theta = theta/180*np.pi
# rotation
R = np.array([[np.cos(theta), np.sin(theta)],
[-np.sin(theta), np.cos(theta)]])
Expand All @@ -66,3 +67,5 @@ def plot_shape(X,copy = False):
ax.spines['left'].set_visible(False)
plt.xlabel('$x_1$')
plt.ylabel('$x_2$')

plt.show()