chapter4_5.m

MABLAB学习资料

 clear all
 close all
 clc

 figure 
 x1=0:0.1:2*pi;
 plot(x1,sin(x1), 'r-')
 
 hold on
 x2=-pi:.1:pi;
 plot(x2,cos(x2), 'b-')
 
 legend('sin(x)', 'cos(x)')
 grid on
 xlabel('旋转角度\omega (rad)')
 ylabel('电压(V)')
 title ('figure of sin(x) and cos(x)')
 axis([-2*pi 2*pi -2 2 ])