MATLAB 5.0 MAT-file, Platform: PCWIN, Created on: Thu Oct 29 08:36:35 1998 IM0@mat0 °?À?È?Ð?Ô?Ø?Ü?à?â?ä?æ?è?ê?ì?î?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?î?ì?ê?è?æ?ä?â?°?À?È?Ð?Ô?Ø?Ü?à?â?ä?æ?è?ê?ì?î?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?î?ì?ê?è?æ?ä?â?à?Ü?Ø?Ô?Ð?È?À?°?â?ä?æ?è?ê?ì?î?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?ð?î?ì?ê?è?æ?ä?â?à?Ü?Ø?Ô?Ð?È?À?°?Pmat1 UUUUUU@ªªªªª*ÿ?ªªªªªª@ªªªªªj@0mat2 øÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿøÿ@@@@@øÿøÿøÿøÿøÿøÿøÿøÿøÿð?@@@ð?@@@@øÿøÿøÿøÿøÿøÿð?@@@ð?ð?ð?@@@@øÿøÿøÿøÿ@ð?@@@ð?ð?ð?ð?@@@@øÿøÿøÿ@ð?ð?@@ð?ð?ð?ð?@@@@øÿøÿ@@ð?@@@ð?ð?ð?ð?@@@@@øÿ@@@@@@ð?ð?ð?ð?ð?ð?ð?@@øÿ@@@@@@ð?ð?ð?@@@@ð?@øÿ@@ð?@@@ð?ð?ð?ð?ð?ð?ð?ð?@øÿ@@ð?@@@ð?ð?ð?@@@@ð?@øÿøÿ@ð?ð?@@ð?ð?ð?ð?ð?ð?ð?@øÿøÿøÿ@ð?@@@ð?ð?ð?ð?@@@@øÿøÿøÿøÿ@ð?@@ð?ð?ð?@@@@øÿøÿøÿøÿøÿøÿ@@@@ð?@@@@øÿøÿøÿøÿøÿøÿøÿøÿøÿ@@@@@øÿøÿøÿøÿøÿøÿH‰mat3delete(findobj('Tag','curve'));xmin=eval(get(findobj('Tag','xminpcurve'),'String'));xmax=eval(get(findobj('Tag','xmaxpcurve'),'String'));ymin=eval(get(findobj('Tag','yminpcurve'),'String'));ymax=eval(get(findobj('Tag','ymaxpcurve'),'String'));tmin=eval(get(findobj('Tag','tminpcurve'),'String'));tmax=eval(get(findobj('Tag','tmaxpcurve'),'String'));tscl=eval(get(findobj('Tag','tsclpcurve'),'String'));t=tmin:tscl:tmax;x=eval(vectorize(get(findobj('Tag','xtpcurve'),'String')))+zeros(size(t));y=eval(vectorize(get(findobj('Tag','ytpcurve'),'String')))+zeros(size(t));hold on;axis([xmin xmax ymin ymax]);h=plot(x,y,'k');set(h,'Tag','curve');hold off;€%mat4Jdelete(findobj('Tag','vfield'));xmin=eval(get(findobj('Tag','xminpcurve'),'String'));xmax=eval(get(findobj('Tag','xmaxpcurve'),'String'));ymin=eval(get(findobj('Tag','yminpcurve'),'String'));ymax=eval(get(findobj('Tag','ymaxpcurve'),'String'));[x,y]=meshgrid(xmin:(xmax-xmin)/8:xmax,ymin:(ymax-ymin)/8:ymax);fx=eval(vectorize(get(findobj('Tag','fxpcurve'),'String')))+zeros(size(x));fy=eval(vectorize(get(findobj('Tag','fypcurve'),'String')))+zeros(size(x));hold on;axis([xmin xmax ymin ymax]);h=quiver(x,y,fx,fy,'m');set(h,'Tag','vfield');hold off;Ømat5 ¨ð?è?è?Ð?à?è?è?Ð?ð?è?è?Ð?Hmat6 Uà‹«tü¿€AA€¿ê/7Ñ R"@Hmat7 ™†ífyý¿²,˲,Ëú?ê/7Ñ R"@Hmat8 sTà‹«¿8Žã8Žãø?ê/7Ñ R"@°=mat9zdelete(findobj('Tag','velvec'));xmin=eval(get(findobj('Tag','xminpcurve'),'String'));xmax=eval(get(findobj('Tag','xmaxpcurve'),'String'));ymin=eval(get(findobj('Tag','yminpcurve'),'String'));ymax=eval(get(findobj('Tag','ymaxpcurve'),'String'));tmin=eval(get(findobj('Tag','tminpcurve'),'String'));tmax=eval(get(findobj('Tag','tmaxpcurve'),'String'));tscl=eval(get(findobj('Tag','tsclpcurve'),'String'));t=tmin:tscl:tmax;x=eval(vectorize(get(findobj('Tag','xtpcurve'),'String')))+zeros(size(t));y=eval(vectorize(get(findobj('Tag','ytpcurve'),'String')))+zeros(size(t));xp=eval(vectorize(diff(get(findobj('Tag','xtpcurve'),'String'),'t')))+zeros(size(t));yp=eval(vectorize(diff(get(findobj('Tag','ytpcurve'),'String'),'t')))+zeros(size(t));hold on;axis([xmin xmax ymin ymax]);h=quiver(x,y,xp,yp,'b');set(h,'Tag','velvec');hold off;ÈEmat10Šdelete(findobj('Tag','accvec'));xmin=eval(get(findobj('Tag','xminpcurve'),'String'));xmax=eval(get(findobj('Tag','xmaxpcurve'),'String'));ymin=eval(get(findobj('Tag','yminpcurve'),'String'));ymax=eval(get(findobj('Tag','ymaxpcurve'),'String'));tmin=eval(get(findobj('Tag','tminpcurve'),'String'));tmax=eval(get(findobj('Tag','tmaxpcurve'),'String'));tscl=eval(get(findobj('Tag','tsclpcurve'),'String'));t=tmin:tscl:tmax;x=eval(vectorize(get(findobj('Tag','xtpcurve'),'String')))+zeros(size(t));y=eval(vectorize(get(findobj('Tag','ytpcurve'),'String')))+zeros(size(t));xpp=eval(vectorize(diff(get(findobj('Tag','xtpcurve'),'String'),'t',2)))+zeros(size(t));ypp=eval(vectorize(diff(get(findobj('Tag','ytpcurve'),'String'),'t',2)))+zeros(size(t));hold on;axis([xmin xmax ymin ymax]);h=quiver(x,y,xpp,ypp,'r');set(h,'Tag','accvec');hold off;