帮我看看怎么把最后一个图的坐标放大一点啊?

wilddrog

<P>B='black';<BR>R='red';<BR>G='green';<BR>c=30;<BR>v=30;<BR>d=6;<BR>K=7.5;<BR>f=5;<BR>F=5;<BR>w=((16*f^2-4*d^2)*x.^2-4*f^2*d^2+d^4)/4*d^2;   %f=5;<BR>y1=sqrt(w);<BR>y2=-sqrt(w);<BR>subplot(3,2,1);<BR>plot(x,y1,x,y2,'linewidth',2,'color',R);<BR>hold on;<BR>m=(4*K^2*x.^2-K^4+4*F^2*K^2)/16*F^2-4*K^2<BR>y3=sqrt(m);<BR>y4=-sqrt(m);<BR>subplot(3,2,2);<BR>plot(x,y3,-x,y3,'linewidth',2,'color',B);<BR>hold off;</P>
<P>subplot(3,2,3);<BR>plot(x,y1,x,y2,x,y3,-x,y3,'linewidth',2,'color',G);</P>
<P>y1=sqrt(w);<BR>y3=sqrt(m);<BR>subplot(3,2,4);<BR>plot(x,y1,x,y3),hold on;<BR>temp=(abs(y1-y3)&lt;=0.2);<BR>yy=temp.*y1;<BR>xx=temp.*x;<BR>subplot(3,2,5);<BR>plot(xx(temp~=0),yy(temp~=0),'*'),hold off;<BR><BR></P>

NASA

什么意思啊，你这里第五个图都画不出来啊

ericlin

要改坐标可以直接在figure property里面改