如何用plot在绘制图形的同时添加小三角、矩形、菱形等标志

Uqzalq

比如只用‘o’就能绘制圆圈
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youOK

还有这种方便的操作啊

xiaogegepcb

执行
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可以获得帮助

dapmood

• x = -5:.1:5;
• y = sin(x);
• y1=tanh(x);
• y2=cos(x);
• y3=exp(x);
• y4=0.5*x;
• y5=-0.5*x;
• y6=0.1*x.^2;
• y7=1./x;
• y8=sinh(x);
• y9=cosh(x);
• set(0,'defaultfigurecolor','w');
• figure;
• plot(x,y,'-o');
• hold on;
• plot(x,y1,'-^');
• plot(x,y2,'-+');
• plot(x,y3,'-*');
• plot(x,y4,'-.');
• plot(x,y5,'-x');
• plot(x,y6,'-s');
• plot(x,y7,'-d');
• plot(x,y8,'-p');
• plot(x,y9,'-h');
• axis([-5 5 -1 1]);
• legend('sin(x)','tanh(x)','cos(x)','e^x','0.5x','-0.5x','0.1x^2','1/x','sinh(x)','cosh(x)');
• xlabel('x');
• ylabel('y');
  

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