Plot variable in GUI

What function Do I need to use to plot a variable on the screen of my GUI? I can plot it on the edit text?

Answer 1

[Image Analyst]

No. Edit text can take only text. You need to plot things in an axes control. You can either place one on your GUI with GUIDE, or you can create one with subplot (to make a small axes, or several of them, at a particular position), or one will be created for you automatically when you call a function that plots, like plot(), bar(), pie(), plotyy(), semilogy(), etc.