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)...
# 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) # 为第一个线条创建图例 first_legend = plt.legend(...
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...
# lets plot two lines Sin(x) and Cos(x)# loc is used to set the location of the legend on the plot# label is used to represent the label for the line in the legend# generate the random numberx= np.arange(0,1500,100)plt.plot(np.sin(x),label='sin function x')plt.plot(np.co...
# 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) ...
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...
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「...
big_ax.tick_params(labelcolor=(0,0,0,0),top='off',bottom='off',left='off',right='off')# removes the white frame big_ax._frameon=Falseforiinrange(1,10):ax=fig.add_subplot(3,3,i)ax.set_title('Plot title '+str(i))fig.set_facecolor('w')plt.tight_layout()plt.show()...
label:图例的标签 importnumpy as npimportpandas as pdimportmatplotlib.pyplot as plt x= np.linspace(0,20,10) y=np.sin(x) plt.plot(x,y,c='red',lw=3,ls='--',marker='o',markersize=10,markeredgecolor='blue',markerfacecolor='black',label='Y=Sin(X)') ...
plt.bar(x_15,b_15,width=0.2,label='15日') plt.bar(x_16,b_16,width=0.2,label='16日') #3 调整x字符显示 #取中间值在视觉上展示效果比较好 plt.xticks(x_15,a,fontproperties=my_font) #4 添加图例、描述信息 plt.xlabel('电影名',fontproperties=my_font) ...