![]() It is common and highly recommended to include as the first lines of text a block of comments explaining what an M file does and how to use it. % Calculate average velocity, assuming acceleration is constant Doing this is a good idea both for yourself and for others who try to read your code. E.g.Ĭomments are useful for explaining what function a certain piece of code performs especially if the code relies on implicit or subtle assumptions or otherwise perform subtle actions. */ in languages like C or C++, via the % contains any other text (except white spaces). MATLAB also supports multi-line comments, akin to /*. Select the code you wish to comment or uncomment, and then press Ctrl-R ( ⌘-/ for Mac) to place one '%' symbol at the beginning of each line and Ctrl-T ( ⌘-T for Mac) to do the opposite. There are two useful keyboard shortcuts for adding and removing chunks of comments. In the MATLAB Editor, commented areas are printed in green by default, so they should be easy to identify. The % character itself only tells the interpreter to ignore the remainder of the same line. Fundamentals of MATLAB MATLAB Workspace MATLAB Variables *.mat filesĬhapter 2: MATLAB Concepts MATLAB operator Data File I/OĬhapter 3: Variable Manipulation Numbers and Booleans Strings Portable Functions Complex NumbersĬhapter 4: Vector and matrices Vector and Matrices Special Matrices Operation on Vectors Operation on Matrices Sparse MatricesĬhapter 5: Array Arrays Introduction to array operations Vectors and Basic Vector Operations Mathematics with Vectors and Matrices Struct Arrays Cell ArraysĬhapter 6: Graphical Plotting Basic Graphics Commands Plot Polar Plot Semilogx or Semilogy Loglog Bode Plot Nichols Plot Nyquist PlotĬhapter 7: M File Programming Scripts Comments The Input Function Control Flow Loops and Branches Error Messages Debugging M FilesĬhapter 8: Advanced Topics Numerical Manipulation Advanced File I/O Object Oriented Programming Applications and Examples Toolboxes and ExtensionsĬhapter 9: Bonus chapters MATLAB Benefits and Caveats Alternatives to MATLAB What is Octave ? Octave/MATLAB differencesĬomment lines begin with the character '%', and anything after a '%' character is ignored by the interpreter. When the comments file is on the MATLAB path, deleting a block that has comments also deletes the correspondingĬomments.Chapter 1: MATLAB Introductions. Alternatively, permanently delete all resolved comments by selecting Comment List > Delete all resolved comments. Review tab, clear Comment List > Show resolved comments. To display fewer comments in the Comments pane, on the Show the block that corresponds to the comment. ![]() When you pause on a resolved comment, you receive options to reopen the comment and to Options to edit it, reply to it, resolve it, and show the block that corresponds to it.Ĭlicking Show in Model highlights the block to facilitate finding the In the Comments pane, pause on a committed comment to receive Referenced model as a top model by clicking the Open As Top Model icon To add comments to blocks in other files, open the files separately. Mymodel.slx, which previously had no comments associated with it.Ĭlosing the model creates a comments file named Suppose you add comments to a model named When you close the parent model, subsystem, or library file, the comments are saved inĪn MLDATX file in the same location as the parent. Renaming a block can change the position of the Blocks are sorted alphabetically by name in theĬomments pane. When you rename a block that has comments, the Comments pane ![]() To enter multiline comments in the Comments pane, press Pause on the ellipsis, then click the Add CommentĮnter the comment in the text box that appears in the
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