作业帮matlab 画出来的两个简谐振动的叠加怎么有问题的啊?[x1,x2]=dsolve('D2x1+200*x1-100*x2=0,D2x2-100*x1+200*x2=0','Dx1(0)=0,Dx2(0)=0,x1(0)=1,x2(0)=2');h=ezplot(x1,[-2:0.1:2]);set(h,'Color','r');hold ong=ez
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![matlab 画出来的两个简谐振动的叠加怎么有问题的啊?[x1,x2]=dsolve('D2x1+200*x1-100*x2=0,D2x2-100*x1+200*x2=0','Dx1(0)=0,Dx2(0)=0,x1(0)=1,x2(0)=2');h=ezplot(x1,[-2:0.1:2]);set(h,'Color','r');hold ong=ez](/uploads/image/z/4517654-14-4.jpg?t=matlab+%E7%94%BB%E5%87%BA%E6%9D%A5%E7%9A%84%E4%B8%A4%E4%B8%AA%E7%AE%80%E8%B0%90%E6%8C%AF%E5%8A%A8%E7%9A%84%E5%8F%A0%E5%8A%A0%E6%80%8E%E4%B9%88%E6%9C%89%E9%97%AE%E9%A2%98%E7%9A%84%E5%95%8A%3F%5Bx1%2Cx2%5D%3Ddsolve%28%26%2339%3BD2x1%2B200%2Ax1-100%2Ax2%3D0%2CD2x2-100%2Ax1%2B200%2Ax2%3D0%26%2339%3B%2C%26%2339%3BDx1%280%29%3D0%2CDx2%280%29%3D0%2Cx1%280%29%3D1%2Cx2%280%29%3D2%26%2339%3B%29%3Bh%3Dezplot%28x1%2C%5B-2%3A0.1%3A2%5D%29%3Bset%28h%2C%26%2339%3BColor%26%2339%3B%2C%26%2339%3Br%26%2339%3B%29%3Bhold+ong%3Dez)
matlab 画出来的两个简谐振动的叠加怎么有问题的啊?[x1,x2]=dsolve('D2x1+200*x1-100*x2=0,D2x2-100*x1+200*x2=0','Dx1(0)=0,Dx2(0)=0,x1(0)=1,x2(0)=2');h=ezplot(x1,[-2:0.1:2]);set(h,'Color','r');hold ong=ez
matlab 画出来的两个简谐振动的叠加怎么有问题的啊?
[x1,x2]=dsolve('D2x1+200*x1-100*x2=0,D2x2-100*x1+200*x2=0','Dx1(0)=0,Dx2(0)=0,x1(0)=1,x2(0)=2');
h=ezplot(x1,[-2:0.1:2]);
set(h,'Color','r');
hold on
g=ezplot(x2,[-2:0.1:2]);
set(g,'Color','g');
xlabel('时间t')
ylabel('振幅y')
title('初始条件dx1(0)=0,dx2(0)=0,x1(0)=2,x2(0=1)')
用这个程序画出来 的图像
怎么出现圆圈中的现象啊?怎么改程序啊?求大神指教?
matlab 画出来的两个简谐振动的叠加怎么有问题的啊?[x1,x2]=dsolve('D2x1+200*x1-100*x2=0,D2x2-100*x1+200*x2=0','Dx1(0)=0,Dx2(0)=0,x1(0)=1,x2(0)=2');h=ezplot(x1,[-2:0.1:2]);set(h,'Color','r');hold ong=ez
圆圈中的现象你觉得存在什么问题?
其实,尽管看起来好像图形失真,但求出来的函数的确就是这个形状的,比如,你可以直接使用plot函数绘图（选择更小的步长）：
[x1,x2]=dsolve('D2x1+200*x1-100*x2=0,D2x2-100*x1+200*x2=0','Dx1(0)=0,Dx2(0)=0,x1(0)=1,x2(0)=2');
t=-2:0.001:2;
f1=inline(x1);
f2=inline(x2);
plot(t,f1(t),'r',t,f2(t),'g')
得到的结果与用ezplot函数并无显著区别.