how can i cut data from a plot?

hello, goodmorning folks

how can i cut a data clicking on a plotted data? i want to cut the data from where i click untill the end

anyone has this code?

thx :)

[Sara]

From where you click you mean:

• cut the elements after the one you click on with respect to the x-axis?
• cut the elements after the one you click on with respect to the position of the element in the original array?

Have you looked into ginput?

Answer 1

[Ben11]

As Sara suggests, using ginput to let the user select a x-value from which to crop:

clear
clc

x = 1:10*pi;

figure
subplot(2,1,1)
plot(x,sin(x));
title('Original plot');

uiwait(msgbox('Select an x-value from which to crop','modal'));

[x_user ~] = ginput(1); % Let the user select an x-value from which to crop.

x(x>x_user) = [];

subplot(2,1,2);
plot(x,sin(x));
title('New plot with cropped values');

xlim([min(x(:)) max(x(:))]);

results in the following:

[nam bui]

Hello, I'm wondering how you you do it if I want to plot out both end of the graph, meaning when its at 2.5 and 25.5?