plot作图问题。

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n=8;k1=200;k2=500;
for i=1:n
plot([cos((i-1)*pi/n),-cos((i-1)*pi/n)],...
[sin((i-1)*pi/n),-sin((i-1)*pi/n)],'k-','LineWidth','2');
end
这种语法提示,plot不是数值标量,请问该怎么解决?

Accepted Answer

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因为LineWidth参数值为数字2,不是字符2
plot([cos((i-1)*pi/n),-cos((i-1)*pi/n)],...
[sin((i-1)*pi/n),-sin((i-1)*pi/n)],'k-','LineWidth',2);

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