figure;
t = 0:.01:2*pi;
polar(t,sin(2*t).*cos(2*t),'--r')
b = findobj(gcf);
c = findall(b,'Type','text');
for phi = 0:30:330
str = num2str(phi);
str_new = [str '^\circ'];
d = findobj(c,'String',str);
set(d,'String',str_new);
end
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/838ba61ea8d3fd1fc745bdaf334e251f94ca5fd2?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
追问太棒了,非常感谢!我可以多请教一句么?那个度数的圈圈如何调的大一点,相对于数字而言
追答修改一句即可:
set(d,'String',str_new,'FontSize',12);