To open App Designer, use either of these methods:
At the MATLAB® command prompt, type
On the MATLAB Home tab, select New > App > App Designer.
To open an existing app, use either of these methods:
On the App Designer toolstrip, click the Designer tab, and then click Open.
At the MATLAB command prompt, type
filename is file name, full file path, or partial
path of the MLAPP file.
To run an existing app, use either of these methods:
Type the file name at the MATLAB command prompt.
The file must be in a folder on your MATLAB path.
On the file in App Designer, and then click Run on the toolstrip.