For multiple lines, click in the line and then drag or Shift +click to select multiple lines. You can comment the current line or a selection of lines: For a single line, position the cursor in that line. However, the Editor does not highlight the resulting section, which encloses the entire file, unless you add one or more explicit code sections to the file.Ĭommenting Using the MATLAB Editor/Debugger. MATLAB inserts a section break at the top and bottom of a file, creating a code section that encompasses the entire file. Comment lines can appear anywhere in a program file, and you can append comments to the end of a line of code. To add comments to MATLAB code, use the percent (%) symbol. Keyboard shortcuts and mouse actions can help you efficiently model systems in Simulink ®.To open this page from a model, use Shift + ? or click the Keyboard Shortcuts button on the navigation bar. Keyboard Shortcuts and Mouse Actions for Simulink Modeling. This table describes the actions and related keyboard shortcuts useful for navigating MATLAB Online without a mouse. Because MATLAB Online™ runs in a browser, navigation using the keyboard is slightly different. MATLAB Online provides access to MATLAB from a standard web browser. This effectively makes a comment out of anything on the current line that follows the three periods. If three or more periods occur before the end of a line, then MATLAB ignores the rest of the line and continues to the next line. To comment out multiple lines of code, use the block comment operators, % after the last line you want to comment. In any case this can be customized via Preferences -> Keyboard -> Shortcuts. To comment multiple lines you'd have to highlight them using the mouse or SHIFT. The comment shortcut is CTRL+R on Windows and CTRL+/ on Unix systems (not sure about OS X). You clicked a link that corresponds to this MATLAB command: Run the command by entering it in the MATLAB Command Window. Matlab is a programming language, it is user friendly To comment out the lines of code in a script, press Ctrl + R, to uncomment them press Ctrl + T.Ĭontinue Long Statements on Multiple Lines. To uncomment the block, once again select the block of code, select "Text->Uncomment" or type Control-T key combination. If you are using the MATLAB editor, you can highlight the block of code that you want to comment then select the "Text->Comment" menu item or type a Control-R to comment the whole block. */ In Matlab this functionality can be achieved in the following way. In C or C++ we can add multi-line comments like this, /* commented code 1 commented code 2. To uncomment the selected text, click the "Uncomment" button or type "Ctrl" + "T". Alternatively, select the code and type "Ctrl" + "R". This inserts a "%" symbol in front of each selected line. To comment out a large block of code in the Editor or Live Editor, select the code and on the "Editor" or "Live Editor" tab, click the "Comment" button.
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