how can i cut data from a plot?

Question

lucas 2014-7-31

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/144216-how-can-i-cut-data-from-a-plot

评论： nam bui 2021-2-12

采纳的回答： Ben11

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 :)

1 个评论
显示 -1更早的评论隐藏 -1更早的评论

Sara 2014-7-31

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?

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Ben11 2014-7-31

3
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/144216-how-can-i-cut-data-from-a-plot#answer_147004

编辑：Ben11 2014-7-31

在 MATLAB Online 中打开

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(:))]);