效果

代码

clear;clc;pic_num=1;x=0:2*pi/100:2*pi;freq=50;w=2*pi*freq;t=0:1/5000:1/50;y=sin(x)'*sin(w*t);for ii=1:length(t)plot(x,y(:,ii));axis([0 2*pi -1 1]);set(gca,'XTick',[0:pi/2:2*pi]);set(gca,'xtickLabel',{'0','π/2','π','3π/2','2π'});drawnow;F=getframe(gcf);I=frame2im(F);[I,map]=rgb2ind(I,256);if pic_num == 1imwrite(I,map,'test.gif','gif', 'Loopcount',inf,'DelayTime',0.2);elseimwrite(I,map,'test.gif','gif','WriteMode','append','DelayTime',0.2);endpic_num = pic_num + 1;end

参考

gif图片保存参考了这篇博客。