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1、繪制直方圖x=randn(1000,1;subplot(1,2,1;hist(x;subplot(1,2,2;hist(x,8;25030020025020015015010010050500-4-20240-4-20246.離散數據圖形：stem(x,y/stairs(x,y/stem3(x,y,z二維離散圖形、二維階躍圖形、三維離散圖形x=[0:10:360]*pi/180;y=sin(x;subplot(2,2,1;plot(x,y;subplot(2,2,2;stem(x,y;subplot(2,2,3;stairs(x,y;t=0:0.1:10;s=
2、0.1+i;y=exp(-s*t;subplot(2,2,4;stem3(real(y,imag(y,t;10.50-0.5-110.50-0.5-1024680246810.50-0.5-110501002468-1-1017.等值線圖：contour(x,y,z,n繪制二維等值線n=[-2:0.2:2];[X,Y,Z]=peaks(n;contour(X,Y,Z,10;21.510.50-0.5-1-1.5-2-2-1.5-1-0.500.511.528.等值線圖（符號函數）：ezcontour(f,domain,n/ezcontourf(f,domain
3、,n繪制符號函數的等值線。繪制函數f(x,y3(1x2ex2(y122222x110(x3y5exye(x1y53symsxy;f=3*(1-x^2*exp(-(x^2-(y+1^2...-10*(x/5-x^3-y^5*exp(-x^2-y^2...-1/3*exp(-(x+1^2-y^2;subplot(1,2,1;ezcontour(f,[-3,3],49;title('contour';subplot(1,2,2;ezcontourf(f,[-3,3],49;title('filledcontour';contour33filledcontour221
4、100y-1y-20x2-1-2-2-3-3-20x29.矢量圖：quiver(x,y,u,v繪制矢量像(x,y是坐標，(u,v是待繪制的矢量n=[-2:0.2:2];[X,Y,Z]=peaks(n;contour(X,Y,Z,10;[U,V]=gradient(Z,0.2;holdonquiver(X,Y,U,V;contour321.52110.500-0.5-1-1-2-1.5-3-2-2y-20x2-1012
