![]() Matlab word wrap a selection of comments, right click on the highlighted text and select, Wrap Selected Text. to the end of each line.Ĭomments are written by preceding the line with the % symbol. You can set break points to halt execution at certain lines for debugging, which we discuss here.Įxpressions that are too long for one line can be broken across lines by adding. Your own functions can be written here as well, as discussed here. Name at the command prompt, or press F5 or the save and run button at the top of the editor. Commands can be entered here and executed as a script. To launch the editor, if it is not already open, type edit or edit filename. We can call this as follows = quadform(1,10,3)Īs we mentioned, Matlab commands are executed either at the command prompt or by running scripts or functions, which can beĬreated and edited with the built in editor. % Implementation of the quadratic formula. It must be saved in a file called quadform.m. With the end keyword but this is optional unless you have nested functions or multiple functions per file as described below. Within the function, you can use the inputs as local variables and you must assign values to each of the outputs before theįunction terminates, (at least those that will be assigned by the caller of the function). You cannot create functions within script files (except for anonymous functions discussed below).įunction = myfunction(input1, input2) (If there is a conflict between theįilename and function name, the filename wins however, the matlab editor will give a warning about any such inconsistency.) The m-file, you should give it exactly the same name as the function name in the header. To create your own function, open a new file in the editor by typing edit filename.m and begin by creating the function header, which includes the name of the function and its inputs and outputs. In Matlab, executing functions is faster than executing scripts.Variables inside a function only exist inside the function, so we can reuse the same variable name multiple times.Functional code is often better organized, and easier to read and understand.We can compose functions together, and pass functions to other functions.We can parameterize functions to call them multiple times with different inputs, instead of repeating the same code with.
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