matlab 画函数图遇到的问题

liujun66689

x=0:.1/100:1;
y1 = 0.445 - 0.223*x + 4.893*0.1 + 0.113*x.^2 + 0.197* x*0.1 - 21.03*0.1.^2 + 0.557* x.^2*0.1 + 3.134* x*0.1.^2 + 49.497*0.1.^3 -5.145* x.^2*0.1.^2 - 1.124* x*0.1.^3 - 24.702*0.1.^4;
y2 = 0.445 - 0.223*x + 4.893*0.2 + 0.113* x.^2 + 0.197* x*0.2 - 21.03*0.2.^2 + 0.557* x.^2*0.2 + 3.134* x*0.2.^2 + 49.497*0.2.^3 -5.145* x.^2*0.2.^2 - 1.124* x*0.2.^3 - 24.702*0.2.^4;
y3 = 0.445 - 0.223*x + 4.893*0.3 + 0.113* x.^2 + 0.197* x*0.3 - 21.03*0.3.^2 + 0.557* x.^2*0.3 + 3.134* x*0.3.^2 + 49.497*0.3.^3 -5.145* x.^2*0.3.^2 - 1.124* x*0.3.^3 - 24.702*0.3.^4;
y4 = 0.445 - 0.223*x + 4.893*0.4 + 0.113* x.^2 + 0.197* x*0.4 - 21.03*0.4.^2 + 0.557* x.^2*0.4 + 3.134* x*0.4.^2 + 49.497*0.4.^3 -5.145* x.^2*0.4.^2 - 1.124* x*0.4.^3 - 24.702*0.4.^4;
y5 = 0.445 - 0.223*x + 4.893*0.5 + 0.113* x.^2 + 0.197* x*0.5 - 21.03*0.5.^2 + 0.557* x.^2*0.5 + 3.134* x*0.5.^2 + 49.497*0.5.^3 -5.145* x.^2*0.5.^2 - 1.124* x*0.5.^3 - 24.702*0.5.^4;
y6 = 0.445 - 0.223*x + 4.893*0.6 + 0.113* x.^2 + 0.197* x*0.6 - 21.03*0.6.^2 + 0.557* x.^2*0.6 + 3.134* x*0.6.^2 + 49.497*0.6.^3 -5.145* x.^2*0.6.^2 - 1.124* x*0.6.^3 - 24.702*0.6.^4;
y7 = 0.67-0.033*x+5.73*0.1-0.29*x.^2-2.943*x*0.1-22.692*0.1.^2+2.41*x.^2*0.1+10.684*x*0.1.^2+49.34*0.1.^3-8.82*x.^2*0.1.^2-10.16*x*0.1.^3-21.43*0.1.^4;
y8 = 0.67-0.033*x+5.73*0.2-0.29*x.^2-2.943*x*0.2-22.692*0.2.^2+2.41*x.^2*0.2+10.684*x*0.2.^2+49.34*0.2.^3-8.82*x.^2*0.2.^2-10.16*x*0.2.^3-21.43*0.2.^4;
y9 = 0.67-0.033*x+5.73*0.3-0.29*x.^2-2.943*x*0.3-22.692*0.3.^2+2.41*x.^2*0.3+10.684*x*0.3.^2+49.34*0.3.^3-8.82*x.^2*0.3.^2-10.16*x*0.3.^3-21.43*0.3.^4;
y10 = 0.67-0.033*x+5.73*0.4-0.29*x.^2-2.943*x*0.4-22.692*0.4.^2+2.41*x.^2*0.4+10.684*x*0.4.^2+49.34*0.4.^3-8.82*x.^2*0.4.^2-10.16*x*0.4.^3-21.43*0.4.^4;
y11 = 0.67-0.033*x+5.73*0.5-0.29*x.^2-2.943*x*0.5-22.692*0.5.^2+2.41*x.^2*0.5+10.684*x*0.5.^2+49.34*0.5.^3-8.82*x.^2*0.5.^2-10.16*x*0.5.^3-21.43*0.5.^4;
y12 = 0.67-0.033*x+5.73*0.6-0.29*x.^2-2.943*x*0.6-22.692*0.6.^2+2.41*x.^2*0.6+10.684*x*0.6.^2+49.34*0.6.^3-8.82*x.^2*0.6.^2-10.16*x*0.6.^3-21.43*0.6.^4;
plot (x,[y1',y2',y3',y4',y5',y6',y7',y8',y9',y10',y11',y12'])
图形能画出来但是我想把每个曲线都标上标记并且在图上显示出来比如曲线上有三角形标记的尾第一个图有矩形标记的尾第二个图就是能分辨清楚，有没有哪位高手帮下忙，非常感谢！！！