If you want to clear curve, bars, surfaces or whatever you plotted, then get the handle of the plot and delete it.
figure
x = -10:10;
y = x.^2;
h1 = plot(x,x.^2,'rx-'); grid on; hold on;
h2 = plot(x,x.^3,'bo-');
delete(h1)
If you want to clear curve, bars, surfaces or whatever you plotted, then get the handle of the plot and delete it.
figure
x = -10:10;
y = x.^2;
h1 = plot(x,x.^2,'rx-'); grid on; hold on;
h2 = plot(x,x.^3,'bo-');
delete(h1)