MuPAD® notebooks are not recommended. Use MATLAB® live scripts instead.
MATLAB live scripts support most MuPAD functionality, though there are some differences. For more information, see Convert MuPAD Notebooks to MATLAB Live Scripts.
To quickly resize all the characters in your notebook including the characters in the output regions:
Select the part of a notebook you want to resize. If you want to resize fonts in a whole notebook, select Edit>Select All.
Select Format>Increase size or Decrease size.
Note: Graphics size does not change.
To change graphics size, see Scaling Graphics.
To undo font size changes, select Edit>Undo or use the toolbar button .
Note: Using the opposite option (such as increasing the fonts you have decreased before) does not guarantee to restore the original font size.