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[x,y,z]=peaks; subplot(1,2,1) contour3(x,y,z,16,'s') grid, xlabel('x-axis'), ylabel('y-axis') zlabel('z-axis') title('contour3 of peak

[X,Y]=meshgrid(-3:.125:3); Z=peaks(X,Y); meshz(X,Y,Z)

x=linspace(0,2*pi,100); y=sin(x); z=cos(x); a=sin(x).*cos(x);b=sin(x)./(cos(x)+eps) subplot(2,2,1);plot(x,y),title('sin(x)') subplot(2,2,2);plot(x,z),title('cos(x)') subplot(2,2,3);plot(x

x=linspace(-2.5,2.5,20); y=exp(-x.*x); bar (x,y) title('bar plot of a bell crure');

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)

[x,y,z]=peaks(30); surf(x,y,z) %shading flat

x=-3:0.1:3;y=1:0.1:5; [X,Y]=meshgrid(x,y); Z=(X+Y).^2; plot3(X,Y,Z)

[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')

x=linspace(-2.5,2.5,20); y=exp(-x.*x); stairs (x,y) title('Stairs plot of a bell crure');

x=linspace(0,2*pi,30); y=sin(x); z=cos(x); plot(x,y,x,z) gtext('sin(x)'); gtext('cos(x)');