How to get a single series in legend when using plot() and interp1()

yValues = interp1(E,QPM,xValues,'spline'); plot(E,QPM,'o',xValues,yValues);

when i Get a legend in the figure 2 series are there.But How to get a single series

Answer 1

[Star Strider]

Try this:

x1 = linspace(0, 1, 10);
y1 = rand(1, 10);
x2 = linspace(0, 1, 200);
y2 = interp1(x1, y1, x2, 'spline');

figure(1)
plot(x1, y1, 'o')
hold on
p2 = plot(x2, y2);
hold off
grid
legend(p2, 'Interpolated Data')

Experiment to get the result you want.