1、二维、三维图 (plot) 1，曲线图 x=0:0.05:5;y=exp(-x/4).*sin(x.2);plot(x,y,b*)0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5-0.6-0.4-0.200.20.40.60.8x=0:0.05:5;y=exp(-x/4).*sin(x.2);plot(x,y,r+),grid0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5-0.6-0.4-0.200.20.40.60.8x=0.01:0.01:(pi/2-0.01);y1=4.*tan(x);y2=4.*cot(x);plot(x,y1,r*,x,y2,b-),g
2、text(y1=4.*tan(x),gtext(y2=4.*cot(x)0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6050100150200250300350400y1=4*tan(x)y2=4*cot(x)2，直方图（注意：将矩阵转置很重要）x=1 2 3 4 5 6 7;y1=102 34 68 102 34 68 85;86 26 49 88 29 60 79;84 76 72 86 85 88 92;bar(x,y1,r)hold ony2=0 0 0 0 0 0 0;86 26 49 88 29 60 79;0 0 0 0 0 0 0;bar(x,y2,y)hold
3、 ony3=0 0 0 0 0 0 0;0 0 0 0 0 0 0;84 76 72 86 85 88 92;bar(x,y3,b)1 2 3 4 5 6 70204060801001203，极坐标图t=0:0.01:2.*pi;polar(t,abs(sin(2.*t).*cos(2.*t)0.10.20.30.40.5302106024090270120300150330180 04，三维图X=-pi:0.2:pi;Y=-pi:0.2:pi;X,Y=meshgrid(X,Y);Z=sin(X).*sin(Y);mesh(X,Y,Z)-4 -20 24-4-2024-1-0.500.51contour(X,Y,Z,16)-3 -2 -1 0 1 2 3-3-2-101235，饼图x1=0.278 0.167 0.556;x2=0.311 0.173 0.516;explode=1 0 0;subplot(1,2,1);pie(x1,explode,宏达,新星,经纬);title(各租赁公司规模比例图);subplot(1,2,2);pie3(x2,explode,宏达,新星,经纬)% colormap hsvtitle(各租赁公司市场份额比例图);份 份份 份份 份份 份 份 份 份 份 份 份 份 份份 份份 份份 份 份 份 份 份 份 份 份 份 份 份份 份
