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试一下下面这段代码吧,不知道是不是你想要的
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x = -pi:pi/10:pi;8 a5 G: p8 j' J
y = tan(sin(x)) - sin(tan(x));, h+ A6 h& {% t' {, k
plot(x,y,'rs-','LineWidth',1,'MarkerEdgeColor','k',...1 ], B3 B; G) p( J
'MarkerFaceColor','g','MarkerSize',10);
a8 B2 e% \1 c: J$ qset(gca,'XTick',[])+ M) M7 ~6 j9 [1 L' q( e6 h
box off
# [* X3 a* _) Vax2 = axes('Position',get(gca,'Position'),...
* r+ L) D1 q! i2 H 'XAxisLocation','top',...4 U- O; y* W* a0 X1 n6 D
'YAxisLocation','right',...7 _+ ]$ f: [. R m* L1 x
'Color','none',...) E+ P! u: a/ I" P& S8 ~ ]# T
'XColor','k','YColor','k');
& y& ]6 U1 R" m- M* [8 [set(ax2,'YTick', []);0 b1 I% F4 j" H8 ^. p) @
set(ax2,'XTick', []);
* K1 f/ w5 v4 f0 U! Abox on |
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