Preferences

Initial working folder

Select the last working folder from your previous MATLAB session, or specify the full path to a folder on your system. For more information, seeMATLAB Startup Folder.

If you create astartup.mfile,cdcommands in that file override the preference option.

Deleting files

Select an option to specify what MATLAB does with files you delete using thedeletefunction.

SelectingDelete permanentlymakes thedeletefunction run faster.

On Linux^®systems, if you selectMove to a temporary folder, MATLAB moves files to a subfolder with the prefixMATLAB_Files_in the system temporary folder, as returned by thetempdirfunction.

Toolbox path caching

SelectEnable toolbox path cachingto have MATLAB cachematlabrootfolder information across sessions for quicker startup performance.

SelectUpdate Toolbox Path Cacheto add files to thematlabrootfolder. (Use after you use tools not provided with MATLAB to create MATLAB files.)

For details, seeToolbox Path Caching in MATLAB.

Select the MATLAB desktop language. Supported languages include Japanese, Korean, and Chinese. This option affects the text in dialog boxes, button names, menu items, and error and warning messages. For more information, seeChange the MATLAB Desktop Language.

This option is only available on systems with the locale setting (or display language on Windows^®10) set to Japanese, Korean, or Chinese. You must restart MATLAB for the preference to take effect.

Warn before deleting Command History items

Select this option to display a confirmation dialog box when you delete entries from the Command History window.

For details, seeCommand History.

Warn before clearing the Command Window

Select this option to display a confirmation dialog box when, on theHometab, in theCodesection, you clickClear Commands. Does not appear when you use theclcfunction.

Confirm when overwriting variables in MAT-files

Select this option to display a confirmation dialog box when you save variables by dragging them from the Workspace browser onto a MAT-file in the Current Folder browser.

Confirm when overwriting workspace variables via drag-and-drop

Select this option to display a confirmation dialog box when you load variables by dragging them from the Details Panel of the Current Folder browser to the Workspace browser or Command Window.

Prompt when editing files that do not exist

Select this option to display a confirmation dialog box when you typeedit filenameandfilenamedoes not exist in the current folder or on the search path.

Prompt to exit debug mode when saving file

Select this option to display a confirmation dialog box when you try to save a modified file while in debug mode.

提示为了节省ctivate

Select this option to display a confirmation dialog box when you have unsaved changes to a figure and program file and you activate the UI by clicking theRunbutton, for example.

For details, seeGUIDE Preferences.

Prompt to save on export

Select this option to display a confirmation dialog box when you have unsaved changes to a figure and program file and you selectFile>Export.

For details, seeGUIDE Preferences.

Confirm changing default callback implementation

Select this option to display a confirmation dialog box when you have modified a callback signature in GUIDE.

For details, seeGUIDE Preferences.

Confirm before exiting MATLAB

Select this option to display a confirmation dialog box when you quit MATLAB.

Confirm when deleting variables

Select this option to display a confirmation dialog box when you delete variables from the workspace using menu items. Does not appear with theclearfunction.

For details, seeSave and Load Workspace Variables.