分类：PythonMatplotlib

2022
06-10

手把手带你了解Python数据分析--matplotlib

目录柱形图条形图折线图饼图和圆环图分离饼图块圆环图总结柱形图bar()函数绘制柱形图importmatplotlib.pyplotasplx=[1,2,3,4,5,6,7]y=[15,69,85,12,36,95,11]pl.bar(x,y)pl.show()bar()函数的参数width和color设置每根柱子的宽度和颜色有中文时要添加pl.rcParams['font.sans-serif']=['FangSong']有负号时要添加pl.rcParams['axes.unicode_minus']=Falseimportmatplotlib.pyplotasplpl.rcParams['font.sans-serif']... 继续阅读 >

2022
05-15

Python的Matplotlib库图像复现学习

目录总结frompylabimport*n=256X=np.linspace(-np.pi,np.pi,n,endpoint=True)Y=np.sin(2*X)plt.axes([0.025,0.025,0.95,0.95])plt.plot(X,Y+1,color='blue',alpha=1.00)plt.fill_between(X,1,Y+1,color='b',alpha=.25)plt.plot(X,Y-1,color='blue',alpha=1.00)plt.fill_between(X,-1,Y-1,(Y-1)>-1,color='b',alpha=.25)plt.fill_between(X,-1,Y-1,(Y-1)<-1,color='r',alpha=.25)plt.xticks([])plt.yticks([])plt.... 继续阅读 >