Matplotlib绘制线条宽度

import matplotlib.pyplot as plt

# 设置线条宽度为2磅
plt.plot([1, 2, 3, 4], [1, 4, 9, 16], linewidth=2)
plt.show()

import matplotlib.pyplot as plt

plt.plot([1, 2, 3, 4], [1, 4, 9, 16], lw=0.5)
plt.show()

plt.plot([1, 2, 3, 4], [1, 4, 9, 16], lw=3)
plt.show()

import matplotlib.pyplot as plt

x = [1, 2, 3, 4]
y1 = [1, 4, 9, 16]
y2 = [2, 5, 10, 17]

# 设置线条宽度为1磅
plt.plot(x, y1, lw=1)
# 设置线条宽度为2磅
plt.plot(x, y2, lw=2)
plt.show()

import matplotlib.pyplot as plt

x = ['A', 'B', 'C', 'D']
y = [10, 15, 7, 10]

# 设置柱状的线条宽度为0.8磅
plt.bar(x, y, lw=0.8)
plt.show()

import matplotlib.pyplot as plt

x = [1, 2, 3, 4]
y = [5, 7, 6, 8]

# 设置散点的线条宽度为1.5磅
plt.scatter(x, y, lw=1.5)
plt.show()

import matplotlib.pyplot as plt

sizes = [20, 30, 25, 25]

# 设置饼图的线条宽度为0.5磅
plt.pie(sizes, labels=['A', 'B', 'C', 'D'], lw=0.5)
plt.show()

import numpy as np
import matplotlib.pyplot as plt

data = np.random.rand(5, 5)

# 设置热力图的线条宽度为2磅
plt.imshow(data, lw=2)
plt.colorbar()
plt.show()

import matplotlib.pyplot as plt

x = np.linspace(-2*np.pi, 2*np.pi, 100)
y = np.linspace(-2*np.pi, 2*np.pi, 100)
X, Y = np.meshgrid(x, y)
Z = np.sin(X) * np.cos(Y)

# 设置等高线图的线条宽度为0.5磅
plt.contour(X, Y, Z, lw=0.5)
plt.show()

import matplotlib.pyplot as plt

x = np.arange(1, 5)
y1 = [1, 2, 3, 4]
y2 = [2, 3, 4, 5]

# 设置面积图的线条宽度为1磅
plt.fill_between(x, y1, y2, lw=1)
plt.show()

import matplotlib.pyplot as plt

theta = np.linspace(0, 2*np.pi, 100)
r = np.sin(3*theta)

# 设置极坐标图的线条宽度为1.5磅
plt.polar(theta, r, lw=1.5)
plt.show()