how to make a something move because of a button push in matlab

Assuming you are working with a GUI in MATLAB, you can create a button and define a callback function for it that will execute the movement. Here's a brief example:

main.m
% Create a GUI with a button and an axis
fig = figure();
btn = uicontrol('Style', 'pushbutton', 'String', 'Move', ...
    'Position', [20 20 50 20], ...
    'Callback', @moveObject);
ax = axes('Parent', fig, 'Position', [0.2 0.2 0.6 0.6]);

% Define function to move the object
function moveObject(hObject, eventdata)
    % Get current position of object
    pos = get(hObj, 'Position');
    % Move object by a certain amount (here, 10 pixels to the right)
    newPos = pos + [10 0 0 0];
    % Update object position
    set(hObj, 'Position', newPos);
end
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In this code, uicontrol is used to create a button with a callback function moveObject. The argument hObject represents the button itself, and eventdata is not used. The callback function gets the current position of the object to be moved and then adds an offset to it before updating the object's position using set. You can modify this newPos variable to adjust the movement as needed.

Note that this is just an example and may need to be adapted to your specific use case.