Plotting graph from table using app designer

I have created an app that will prompt the user to select a .txt file to read into a table, and the table is made up of seperate columns. I want to use the first column to be populate the X axis and the rest of the columns to populate the y axis in different individual lines. To clarify, if there are 4 columms there should be 3 lines with the second through fourth columns being the data that make up the points on Y axis for each line. What is the best way to go about doing this in matlab app designer?

Answer 1

[Mohammad Sami]

First in your app in the design view, you will need to add an UIAxes to the app.

Thereafter you can plot on it. Add a callback to the plot button. And inside you can prompt the user to select the file.

Then you can load and plot it.

function plotButtonPushedCallback(app,event)
    [filename,folder] = uigetfile('*.txt');
    file = fullpath(folder,filename);
    tab = readtable(file); % assuming default options work.
    X = tab.(1);
    Y = table2array(tab(:,2:end));
    plot(app.UIAxes,X,Y);
end