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how can i use slider to plot many data?

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Moris Bouja
Moris Bouja on 19 Jul 2018
Commented: Geoff Hayes on 26 Jul 2018
i have many data files , i want to plot all data with slider in Gui how to make datanumber as a slider value and plot them?? help please . this is my program in gui
x=mydata{1,datanumber}.data(:,1);
y=mydata{1,datanumber}.data(:,2);
u=mydata{1,datanumber}.data(:,3);
v=mydata{1,datanumber}.data(:,4);
axes(handles.axes1);
%figure()
contourf(x,y,V_mag,50,'linestyle','none');
hold on
quiver(x(1:4:end),y(1:4:end),u(1:4:end),v(1:4:end),2,'color',[0 0 0])
set(gca,'fontsize',14);

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Geoff Hayes
Geoff Hayes on 25 Jul 2018
Moris - you will need to pass the slider value into your program or function.
Moris Bouja
Moris Bouja on 25 Jul 2018
i did it but matlab can't read this value ; "undefined variable or function"
Geoff Hayes
Geoff Hayes on 26 Jul 2018
Moris - you will need to show your code.

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