function va_surf
va=solve('(3*beta*(1-beta)*gamma^2*((r3-c*gamma)*w*r3*sin(theta)-va*r3*cos(theta))*(w*r3*sin(theta)-va*cos(theta))*cos(theta))/((1-beta)*((r3-c*gamma)*w*r3*sin(theta)-va*r3*cos(theta))+beta*r3*(1+gamma)^3*(w*r3*sin(theta)-va*cos(theta)))*(r3-c-c*gamma)-((1-beta)*(r3-c*gamma))/(c*(1+gamma))*va-beta*va=0','va');
z=va(1);
z1=inline(z);
z2=vectorize(z1);
gamma=linspace(0.5,3,50);beta=linspace(1/16,4/16,50);
c=0.001;
r3=0.0116+c*gamma;
n=1000;
w=2*pi*n/60;
theta=atan(0.016./(pi*(r3+0.0116)));
z3=feval(z2,beta,gamma,r3,c,theta,w)
[gamma,beta]=meshgrid(gamma,beta);
surf(gamma,beta,z3);hold on;colormap(hot)
stem3(gamma,beta,z,'bo')
surf出问题了
[ 本帖最后由 eight 于 2007-10-19 11:11 编辑 ] |