Matlab数据可视化-示例..docx
Iaw*e-r-.-*u,-*>u-fs<a*a*<*w4ana绘制直方图X=randn(10(X),1;subplo(1,2,1hist(x:sublot(1,2.2:hist(x.8:2503002(X)25()2(M)15()150I(X)l<X)505()0-4-20240-4-20246.离散数据图形:stem(x.ystairs(x,y/stem3(x.y.z二维离散图形、二维阶跃图形、三维禽散图形X=0:10:360*pi/180;y=sin(x;subplot(2,2,kplot(x.y:SUbPIot(2.22StCm(X.y;SUbPIOl(2,2,3;SlairS(X,y;t=0:0.1:10;$=0.l+i;y=exp(-st;sublot(2.2.4stem3(real(y.inag(y.t;1().50-0.5-11().50-0.5-102468024681().50-0.5-11()501002468-l-107.等值线图:coniour(x.y.z.n绘制二维等值线n=-2:0.2:2);X,YZ=peaks(n:contourtX.YX10:21.5I0.50-0.5-1-1.5-2-2-1.5-1-0.500.511.528,等值线图(符号函数)CZConIOllr(f,domain,n/CZconM>urf(f.domainm绘制符号函数的等值线。绘制函数f(x,y3(x2ex2(yI22222xI10(x3y5exye(xIy53synsXy:f=3*(1-xA2*exp<-(xA2-(y+12.-10e(x/5-xA3-yA5*exp(-xA2-yA2.-l3*exp(-(x+12y2:subplot(1.2.1:ezcontour(fj-3.3|.49:title('coniour':sbplot(1.2.2zcontorf(f,-3,3.49;titlc('flllcdcontour'contour33filledcontour221100y-Iy-20x2-1-2-2-3-3-20x29.矢量图:qivcr(x.y,u,v绘制矢量像(x,y是坐标,(u,v是待绘制的矢量n=-2:0.2:2;X,Y.Z=peaks(n;contour(X,Y,Z,0;(U,V=gradient(Z,().2:holdonquiver(X.Y.U.V;contour32i.521I0.500.0.5-1-1-2-1.5-3-2-2y-20x2-10I2