刚学matlab,clear,clcf0=1;%方波的频率t=0:.01:10;f=@(t) square(2*pi*f0*t); square(2*pi*f0*t); figure,plot(t,square(2*pi*f0*t)),axis([0,10,-2,2]),title('原函数')n=length(t)for i=1:nF(i)=quad(f,0,t(i));endfigure,plot(t,F),title('积分后');
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![刚学matlab,clear,clcf0=1;%方波的频率t=0:.01:10;f=@(t) square(2*pi*f0*t); square(2*pi*f0*t); figure,plot(t,square(2*pi*f0*t)),axis([0,10,-2,2]),title('原函数')n=length(t)for i=1:nF(i)=quad(f,0,t(i));endfigure,plot(t,F),title('积分后');](/uploads/image/z/6594174-54-4.jpg?t=%E5%88%9A%E5%AD%A6matlab%2Cclear%2Cclcf0%3D1%3B%25%E6%96%B9%E6%B3%A2%E7%9A%84%E9%A2%91%E7%8E%87t%3D0%3A.01%3A10%3Bf%3D%40%28t%29+square%282%2Api%2Af0%2At%29%3B+square%282%2Api%2Af0%2At%29%3B+figure%2Cplot%28t%2Csquare%282%2Api%2Af0%2At%29%29%2Caxis%28%5B0%2C10%2C-2%2C2%5D%29%2Ctitle%28%27%E5%8E%9F%E5%87%BD%E6%95%B0%27%29n%3Dlength%28t%29for+i%3D1%3AnF%28i%29%3Dquad%28f%2C0%2Ct%28i%29%29%3Bendfigure%2Cplot%28t%2CF%29%2Ctitle%28%27%E7%A7%AF%E5%88%86%E5%90%8E%27%29%3B)
刚学matlab,clear,clcf0=1;%方波的频率t=0:.01:10;f=@(t) square(2*pi*f0*t); square(2*pi*f0*t); figure,plot(t,square(2*pi*f0*t)),axis([0,10,-2,2]),title('原函数')n=length(t)for i=1:nF(i)=quad(f,0,t(i));endfigure,plot(t,F),title('积分后');
刚学matlab,
clear,clc
f0=1;%方波的频率
t=0:.01:10;
f=@(t) square(2*pi*f0*t);
square(2*pi*f0*t);
figure,plot(t,square(2*pi*f0*t)),axis([0,10,-2,2]),title('原函数')
n=length(t)
for i=1:n
F(i)=quad(f,0,t(i));
end
figure,plot(t,F),title('积分后');
求人一句句解答~
刚学matlab,clear,clcf0=1;%方波的频率t=0:.01:10;f=@(t) square(2*pi*f0*t); square(2*pi*f0*t); figure,plot(t,square(2*pi*f0*t)),axis([0,10,-2,2]),title('原函数')n=length(t)for i=1:nF(i)=quad(f,0,t(i));endfigure,plot(t,F),title('积分后');
clear,clc%clear清除workspace中的变量,clc清除command窗口中的命令.
f0=1;%方波的频率
t=0:.01:10;%区间[0,10]的集合,步长0.01
f=@(t) square(2*pi*f0*t);
square(2*pi*f0*t);
figure,plot(t,square(2*pi*f0*t)),axis([0,10,-2,2]),title('原函数')%figure呈现一个空白作图窗口,plot作图函数,axis控制坐标轴,title图像标题;
n=length(t)%集合t的元素长度,在这里是个数.
for i=1:n%此句至end之间是一个for循环;
F(i)=quad(f,0,t(i));%quad求定积分函数;
end
figure,plot(t,F),title('积分后');