作业帮matlab画交点坐标x=0:0.1:10;f=x./(x+2);h=1./(1+10.*(x-2).^2);g=2.^(-x);plot(x,f,x,h,x,g);axis([0 1 -1 1]);怎么在图中显示出交点坐标（保留3位小数）?或求出交点坐标
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![matlab画交点坐标x=0:0.1:10;f=x./(x+2);h=1./(1+10.*(x-2).^2);g=2.^(-x);plot(x,f,x,h,x,g);axis([0 1 -1 1]);怎么在图中显示出交点坐标（保留3位小数）?或求出交点坐标](/uploads/image/z/8838665-17-5.jpg?t=matlab%E7%94%BB%E4%BA%A4%E7%82%B9%E5%9D%90%E6%A0%87x%3D0%3A0.1%3A10%3Bf%3Dx.%2F%28x%2B2%29%3Bh%3D1.%2F%281%2B10.%2A%28x-2%29.%5E2%29%3Bg%3D2.%5E%28-x%29%3Bplot%28x%2Cf%2Cx%2Ch%2Cx%2Cg%29%3Baxis%28%5B0+1+-1+1%5D%29%3B%E6%80%8E%E4%B9%88%E5%9C%A8%E5%9B%BE%E4%B8%AD%E6%98%BE%E7%A4%BA%E5%87%BA%E4%BA%A4%E7%82%B9%E5%9D%90%E6%A0%87%EF%BC%88%E4%BF%9D%E7%95%993%E4%BD%8D%E5%B0%8F%E6%95%B0%EF%BC%89%3F%E6%88%96%E6%B1%82%E5%87%BA%E4%BA%A4%E7%82%B9%E5%9D%90%E6%A0%87)
matlab画交点坐标x=0:0.1:10;f=x./(x+2);h=1./(1+10.*(x-2).^2);g=2.^(-x);plot(x,f,x,h,x,g);axis([0 1 -1 1]);怎么在图中显示出交点坐标（保留3位小数）?或求出交点坐标
matlab画交点坐标
x=0:0.1:10;
f=x./(x+2);
h=1./(1+10.*(x-2).^2);
g=2.^(-x);
plot(x,f,x,h,x,g);
axis([0 1 -1 1]);
怎么在图中显示出交点坐标（保留3位小数）?
或求出交点坐标
matlab画交点坐标x=0:0.1:10;f=x./(x+2);h=1./(1+10.*(x-2).^2);g=2.^(-x);plot(x,f,x,h,x,g);axis([0 1 -1 1]);怎么在图中显示出交点坐标（保留3位小数）?或求出交点坐标
f=@(x)x./(x+2);
h=@(x)1./(1+10.*(x-2).^2);
g=@(x)2.^(-x);
fplot(@(x)[f(x),h(x),g(x)],[-0.25 15]);
%求交点
xfh=[];xfg=[];xhg=[];
for x0=[0,1,2,3,8]
xfh(end+1)=fsolve(@(x)f(x)-h(x),x0);
xfg(end+1)=fsolve(@(x)f(x)-g(x),x0);
xhg(end+1)=fsolve(@(x)h(x)./g(x)-1,x0);
end
xfh=unique(xfh);yfh=f(xfh);
xfg=unique(xfg);yfg=f(xfg);
xhg=unique(xhg);yhg=h(xhg);
hold on
plot(xfh,yfh,'o',xfg,yfg,'d',xhg,yhg,'^')
for i=1:length(xfh)
text(xfh(i),yfh(i),[' (',num2str(xfh(i)),',',num2str(yfh(i)),')'])
end
for i=1:length(xfg)
text(xfg(i),yfg(i),[' (',num2str(xfg(i)),',',num2str(yfg(i)),')'])
end
for i=1:length(xhg)
text(xhg(i),yhg(i),[' (',num2str(xhg(i)),',',num2str(yhg(i)),')'])
end