Regarding GUI access and binary plot

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Feihao Sun 2020-7-24

关闭： MATLAB Answer Bot 2021-8-20

Hi! I am quite new to Matlab and I am just wondering how to do the following things in GUI.

I need some help with creating a textinput and push buttom where I type in a txt. file and press the push buttom to store it as a string in GUI for further use.
i want have a push buttom that when pressed, it will create a binary plot for the graphing section. For example, a 30x30 binary plot that have random 1s and 0s across the graphing section.

I have

function Textinput_Callback(hObject, eventdata, handles) for the edit text file to type in the txt. document

function import_data_Callback(hObject, eventdata, handles) for push buttom and store the txt. into a string for further use

function Random_Callback(hObject, eventdata, handles)

to create a random binary matrix and show it graphically in the GUI.

I might be asking for a lot here, but I have tried to look a lot of places and I can't seem to find relevant information. Thank you for the help.