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function [h1,h2]=mncirc(M,N) if nargin==1, N=[1/3,1/4,1/6,1/12]*pi; N=[-N(length(N):-1:1),N]; elseif nargin==0 M=[1.3,1.4,1.5,2,3]; M=[M, 1./M]; N=[1/3,1/4,1/6,1/12]*pi; N=[-

function [h1,h2]=mncirc(M,N) if nargin==1, N=[1/3,1/4,1/6,1/12]*pi; N=[-N(length(N):-1:1),N]; elseif nargin==0 M=[1.3,1.4,1.5,2,3]; M=[M, 1./M]; N=[1/3,1/4,1/6,1/12]*pi; N=[-

function yout=p23conver(u) theta=2*pi/3; c=sqrt(2/3)*[ cos(u(3)) cos(u(3)-theta) cos(u(3)+theta) -sin(u(3)) -sin(u(3)-theta) -sin(u(3)+theta) ]'; yout=c*[u(1) u(2)]';

function y=p32conver(u) theta=2*pi/3; c=sqrt(2/3)*[ cos(u(4)) cos(u(4)-theta) cos(u(4)+theta) -sin(u(4)) -sin(u(4)-theta) -sin(u(4)+theta) ]; y=c*[u(1) u(2) u(3)]';

function y=cal_thetas(u) y=atan2(u(2),u(1)); if(u(1)

ezplot('sin(3*t)*cos(t)','sin(3*t)*sin(t)',[0,pi])

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

fplot('[tanh(x),sin(x),cos(x)]',2*pi*[-1 1 -1 1])

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)');