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theta=linspace(0,2*pi), rho=sin(2*theta).*cos(2*theta); polar(theta,rho,'g') title('Polar plot of sin(2*theta).*cos(2*theta)');

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

[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

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

x=linspace(0,2*pi,30); y=sin(x); plot(x,y) zoom on

t=0:pi/50:10*pi; plot3(sin(t),cos(t),t) rotate3d

x=logspace(-1,2); loglog(x,exp(x),'-s') grid on

x=[1:1:100]; subplot(2,3,1); plot(x,x.^3); grid on; title 'plot-y=x^3'; subplot(2,3,2); loglog(x,x.^3); grid on; title 'loglog-logy=3logx'; subplot(2,3,3); plotyy(x,x.^3,x,x); grid on

fplot('myfun1',[-1,2])

subplot(2,2,1);fplot('hump',[0,1]) subplot(2,2,2);fplot('abs(exp(-j*x*(0:9))*ones(10,1))',[0 2*pi]) subplot(2,2,3);fplot('[tanh(x),sin(x),cos(x)]',2*pi*[-1 1 -1 1]) subplot(2,2,4);fplot('sin(1./x)'