my_comet_strangespace_xyz_x.m

一个小小的c语言编程

function my_comet_strangespace_xyz_x(x,y,z,p,time)  %函数体参量表一定没有常数或代数式.y,z平面的轨线彗星图及x(t)坐标同步运行
global  X1 t
global h_my_menu3_sub2_text_xyz_t h_my_menu3_sub2_text_xyz_z h_my_menu3_sub2_text_xyz_x h_my_menu3_sub2_text_xyz_y%此处一定要写
figure(13)
set(h_my_menu3_sub2_text_xyz_t,'string',['t= ',sprintf('%2.4f\n',0)]);
  set(h_my_menu3_sub2_text_xyz_x,'string',['x= ',sprintf('%2.4f\n',0)]);
  set(h_my_menu3_sub2_text_xyz_y,'string',['y= ',sprintf('%2.4f\n',0)]);
  set(h_my_menu3_sub2_text_xyz_z,'string',['z= ',sprintf('%2.4f\n',0)]);
  
if nargin == 0, error('Not enough input arguments.'); end
if nargin < 3, z = x; x = 1:length(z); y = 1:length(z); end
if nargin < 4, p = 0.10; end

ax = newplot;
if ~ishold,
  axis([min(x(isfinite(x))) max(x(isfinite(x))) min(y(isfinite(y)))  ...
        max(y(isfinite(y))) min(z(isfinite(z))) max(z(isfinite(z)))])
end

co = get(ax,'colororder');

if size(co,1)>=3,
  % Choose first three colors for head, body, and tail
  head = line('color',co(1,:),'marker','o','erase','xor', ...
              'xdata',x(1),'ydata',y(1),'zdata',z(1));
  body = line('color',co(2,:),'linestyle','-','erase','none', ...
              'xdata',[],'ydata',[],'zdata',[]);
  tail = line('color',co(3,:),'linestyle','-','erase','none', ...
              'xdata',[],'ydata',[],'zdata',[]);
else
  % Choose first three colors for head, body, and tail
  head = line('color',co(1,:),'marker','o','erase','xor', ...
              'xdata',x(1),'ydata',y(1),'zdata',z(1));
  body = line('color',co(1,:),'linestyle','--','erase','none', ...
              'xdata',[],'ydata',[],'zdata',[]);
  tail = line('color',co(1,:),'linestyle','-','erase','none', ...
              'xdata',[],'ydata',[],'zdata',[]);
end

m = length(z);
k = round(p*m);
q=1;
% Grow the body
for i = 2:k+1
   j = i-1:i;
   set(head,'xdata',x(i),'ydata',y(i),'zdata',z(i))
   set(body,'xdata',x(j),'ydata',y(j),'zdata',z(j))
   pause(time),
   drawnow
   set(h_my_menu3_sub2_text_xyz_t,'string',['t= ',sprintf('%2.4f\n',t(q))]);
   set(h_my_menu3_sub2_text_xyz_x,'string',['x= ',sprintf('%2.4f\n',X1(q))]);
   set(h_my_menu3_sub2_text_xyz_y,'string',['y= ',sprintf('%2.4f\n',x(q))]);
   set(h_my_menu3_sub2_text_xyz_z,'string',['z= ',sprintf('%2.4f\n',y(q))]); 
   q=q+1;
end

% Primary loop
m = length(x);
for i = k+2:m
   j = i-1:i;
   set(head,'xdata',x(i),'ydata',y(i),'zdata',z(i))
   set(body,'xdata',x(j),'ydata',y(j),'zdata',z(j))
   set(tail,'xdata',x(j-k),'ydata',y(j-k),'zdata',z(j-k))
   drawnow
   pause(time),
  set(h_my_menu3_sub2_text_xyz_t,'string',['t= ',sprintf('%2.4f\n',t(q))]);
  set(h_my_menu3_sub2_text_xyz_x,'string',['x= ',sprintf('%2.4f\n',X1(q))]);
  set(h_my_menu3_sub2_text_xyz_y,'string',['y= ',sprintf('%2.4f\n',x(q))]);
  set(h_my_menu3_sub2_text_xyz_z,'string',['z= ',sprintf('%2.4f\n',y(q))]); 
  q=q+1;
end

% Clean up the tail
for i = m+1:m+k
   j = i-1:i;
   set(tail,'xdata',x(j-k),'ydata',y(j-k),'zdata',z(j-k))
   drawnow
end
title('Lorenz strange singularity phase'),xlabel('y'),ylabel('z'),zlabel('x'),
legend('x',4)    %选4可使彗星图不被刷掉