x=-3:0.1:3; y=1:0.1:5; [X,Y]=meshgrid(x,y); Z=(X+Y).^2; subplot(2,2,1); mesh(X,Y,Z) subplot(2,2,2);mesh(X,Y,Z);view(50,-34) subplot(2,2,3);mesh(X,Y,Z);view(-60,70)
http://www.codebf.com/read/4/25
[x,y,z]=peaks(30); surf(x,y,z) %shading flat
http://www.codebf.com/read/4/27
x=-3:0.1:3;y=1:0.1:5; [X,Y]=meshgrid(x,y); Z=(X+Y).^2; plot3(X,Y,Z)
http://www.codebf.com/read/4/29
[x,y,z]=peaks(30); cs=contour(x,y,z,8); clabel(cs) xlabel('x-axis'), ylabel('y-axis') title('contour of peaks with labels')
http://www.codebf.com/read/4/32
x=linspace(-2.5,2.5,20); y=exp(-x.*x); stairs (x,y) title('Stairs plot of a bell crure');
http://www.codebf.com/read/4/33
x=linspace(0,2*pi,30); y=sin(x); z=cos(x); plot(x,y,x,z) gtext('sin(x)'); gtext('cos(x)');
http://www.codebf.com/read/4/35
[X,Y]=meshgrid(-2:.2:2,-2:.2:3); Z=X.*exp(-X.^2-Y.^2); [C,h]=contour(X,Y,Z); clabel(C,h) colormap cool
http://www.codebf.com/read/4/36
x=-3:0.1:3; y=1:0.1:5; [X,Y]=meshgrid(x,y); Z=(X+Y).^2; mesh(X,Y,Z)
http://www.codebf.com/read/4/37
x=linspace(0,2*pi,30); y=sin(x); plot(x,y) zoom on
http://www.codebf.com/read/4/38
x=logspace(-1,2); loglog(x,exp(x),'-s') grid on
http://www.codebf.com/read/4/40
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