Add labels to line plots Again, zip together the data (x and y) and loop over it, callplt.annotate(<label>, (<x>,<y>)) importmatplotlib.pyplotaspltimportnumpyasnpplt.clf()# using some dummy data for this examplexs=np.arange(0,10,1)ys=np.random.normal(loc=3,scale=0.4,size=10)...
importmatplotlib.pyplotaspltimportnumpyasnp x=np.linspace(0,10,20)y=np.sin(x)*np.exp(-0.1*x)plt.figure(figsize=(8,6))plt.plot(x,y,'o',linestyle='None',label='how2matplotlib.com')plt.title('Markers Without Line')plt.xlabel('X-axis')plt.ylabel('Y-axis')plt.legend()plt.grid(T...
0.1,0.8,0.8]) # 通过add_axes() 将 axes 轴域添加到画布中 ax.plot(x,y, label='sin(x)') #label添加图例名称 ax.legend(loc='lower left',#图例位置 9 # bbox_to_anchor=(0.45, 1),#控制图例相对于figure,这里不是axes的位置,改参数设置后loc不起作用 # ncol=2,#图例分...
import matplotlib.pyplot as plt #define colors to use col1 = 'steelblue' col2 = 'red' #define subplots fig,ax = plt.subplots() #add first line to plot ax.plot(df1.year, df1.sales, color=col1) #add x-axis label ax.set_xlabel('Year', fontsize=14) #add y-axis label ax.set_...
# Add l1 as a separate artist to the axes plt.gca().add_artist(l1) import matplotlib.pyplot as plt line1, = plt.plot([1,2,3], label="Line 1", linestyle='--') line2, = plt.plot([3,2,1], label="Line 2", linewidth=4) ...
Set y-label using ‘ax.set_ylabel()’ # lets add axes using add_axes() method# create a sample datay =x1 =x2 =# create the figurefig = plt.figure()# add the axesax = fig.add_axes()l1 = ax.plot(x1,y,'ys-')l2 = ax.plot(x2,y,'go--')# add additional parametersax.leg...
在plt.plot()中设置label,即可使用plt.legend()函数设置曲线图例。 # 引用方法 import matplotlib.pyplot as plt import numpy as np # 绘图函数 plt.plot([1,2,3,4],[2,3,2,7], color='red', label='Line A') plt.plot([1,2,3,4],[3,5,6,9], color='black',marker='o', label='Line...
ax = fig.gca(projection='3d') # Create data point to plot theta = np.linspace(-4 * np.pi, 4 * np.pi, 100) z = np.linspace(-2, 2, 100) r = z**2 + 1 x = r * np.sin(theta) y = r * np.cos(theta) # Plot line graph ax.plot(x, y, z, label='Parametric curve...
star八、line和marker设置 star九、子图与figure之间位置 star一、Matplotlib使用Tips Matplotlib获取帮助途径 当使用Matplotlib遇到问题时,可通过以下6条路径获取: ❝「Matplotlib官网」:https://matplotlib.org/「github」:https://github.com/matplotlib/matplotlib/issues「discourse」:https://discourse.matplotlib.org「...
ticks的位置是由Locator对象控制的,ticklabel的字符串是由Formatter对象控制的。 Artist 基础上来说图片上看到的每一样东西都是一个artist(包括Figure,Axes和Axis对象)。还包括Text对象,Line2D对象,collections对象,Patch对象等。所有的Artist都被画到canvas上。大多数Artists都和Axes绑定了,这样一个Artist不能被多个Axes...