摘要:
""" __author__ :qin __content__:extract part of content of a file __date__:2020/8/11 """ import easygui import os path = easygui.fileopenbox(default=" 阅读全文
摘要:
x = linspace(0,pi); y1 = cos(x); plot(x,y1); hold on y2 = cos(2*x); plot(x,y2,'HandleVisibility','off'); y3 = cos(3*x); plot(x,y3); hold off legend('F 阅读全文