Use hline to modify properties of a specific reference line after you create it. Add reference line to plot matlab refline mathworks benelux. If either end of the line is within five pixels of a corresponding port, the function connects the line to it. A comment symbol, %, is added at the start of each selected line, and the color of the text becomes green or the color specified for commentssee syntax highlighting. When you add a %% comment in the editor window, matlab adds a section line.
If you intelligently name your variables so that they dont overwrite previous ones, then you will never have trouble running the whole section versus just the line of code. To comment out a selection, select the lines of code, go to the editor or live editor tab, and press the button. With positive prefix, apply to n lines including current one. This matlab graphics tutorial shows you how you can plot multiple lines on the same plot. Multiple lines in edit text box in guide matlab answers. How to comment out a multipleline portion of a latex. To clarify, as i understand it, to comment out means to leave the unwanted code unchanged, but insert before it and after, for multiline comments the relevant character sequence that makes the compiler ignore that code when compiling. Im trying to set a legend on the top of a graph that has a lot of data.
Since you can evaluate a section from keyboard or from the run section button there is always the option to evaluate the section. Presently, i can do it in two lines by doing the following. Find index with multiple condition, using find function. Some programming languages such as matlab allow block comments to be.
This inserts a % symbol in front of each selected line. If region is active, apply to active region instead. Comments are generally formatted as either block comments also called prologue comments or stream comments or line comments also called inline comments block comments delimit a region of source code which may span multiple lines or a part of a single line. Oct 09, 20 matlab display string in multiple lines. I noticed i am not able to enter multiple lines using the edit text box.
Syntax to commentuncomment lines of code in a matlab. To uncomment the selected text, click the uncomment. Comment lines can appear anywhere in a program file, and you can append comments to the end of a line of code. Add reference line to plot matlab refline mathworks. How to have multiple lines on a graph for different values of. If you do, i would consider splitting them among multiple lines for readability. However, it doesnt scale as well to more than a couple of extensions at least the way i presented it as the cellfun thing i put previously. Can i comment a block of lines in an matlab file using. Follow 1 865 views last 30 days shayma on 21 sep 2016. Jan 19, 2010 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 controlr to comment the whole block. I have points for my data and the equation above is the linear regression. An illustration of java source code with prologue comments indicated in red and inline comments in green. Jan 24, 2018 im plotting multiple lines into figure, which i generated out of table. Matlab tutorial function plotting basics plot multiple lines.
Im making a gui for my program and i wanted to allow multiple lines of text to be entered in an edit text box email addresses which i would then separate and continue with the program. Now i want to group the lines into the a certain number of groups f. Everything from the % to the end of that line of the file is ignored by the program and is only for use by the human reader of the code. The %and % operators must appear alone on the lines that immediately precede and follow the block of help text. There is no way at least as far as i am aware to comment out lines programatically. Choose a web site to get translated content where available and see local events and offers. Tell me why youre using pcolor instead of image, imagesc, or imshow, none of which have dark lines between the pixels and all of which have a color or intensity related to one pixels value unlike pcolor. Syntax to commentuncomment lines of code in a matlab script. Matlab tutorial function plotting basics plot multiple.
Follow 1,963 views last 30 days shayma on 21 sep 2016. I realize some of the above lines are unnecessary, but im leaving them in so its clear what the idea is also, you may encounter the problem of your axis having overlapping numbers if your numbers are ranged similarly this wont happen, but if it does, it can be solved by setting the axis properties to match each other. To comment out text within a multiline statement, use the ellipsis. How do i make a figure legend multiple lines in matlab 7. The computeraided engineering cae system was created by software company mathworks to help users analyze data, develop. I can not do it one line at the time because the single lines of the 7 lines are present other places in the file than in the 7 lines. This region is specified with a start delimiter and an end delimiter. In computer programming, a comment is a programmerreadable explanation or annotation in. May 09, 2011 i would like to make a routine that can replace multiple lines with other multiple lines in a ascii file. Im plotting multiple lines into figure, which i generated out of table. For a single line, position the cursor in that line. You can comment the current line or a selection of lines. If either x or y, or both are matrices, then line draws multiple lines.
I found out that for the histograms it creates a handle h1 and 2 where 1 corresponds to the bar charts and 2 to the fitting lines. Jun 24, 2016 how to plot multiple lines in a graph learn more about graph, plot, layers, i, j, k, matrix. Comment lines begin with the character %, and anything after a % character is ignored by the interpreter. The % character itself only tells the interpreter to ignore the remainder of the same line. By default, matlab clears the figure before each plotting command. Select comment from the text menu, or rightclick and select it from the context menu. Plotting multiple lines on a figure in matlab video matlab toggle main navigation. This could for example be to replace 7 lines with 4 lines. I would like to make a routine that can replace multiple lines with other multiple lines in a ascii file. The % and % operators must appear alone on the lines that immediately. Learn more about label, graph, legend, multiple lines, label lines. Syntax to commentuncomment line s of code in a matlab script. I considered this, and it can certainly do for my present situation.
If you are using the matlab editor, you can highlight the block of code that you want to comment then select the textcomment menu item or type a controlr to comment the whole block. You can comment out lines of code during the troubleshooting process to. Based on your location, we recommend that you select. An ellipsis outside a quoted text is equivalent to a space. Plotting multiple lines on a figure in matlab video. Learn more about loop, for loop, differential equations, graph, plot, subplot.
I would assume that this was the case and call it a day but a textbook on matlab shows an example that prints out a multiline comment using. If x, y, and z are all matrices with the same size, then line plots multiple 3d lines using the matrix columns. How to plot multiple lines in a graph learn more about graph, plot, layers, i, j, k, matrix. In computer programming, a comment is a programmerreadable explanation or annotation in the source code of a computer program. To uncomment the block, once again select the block of code, select textuncomment or type controlt key combination. To comment out multiple lines of code, use the block comment operators, % and %. In the matlab editor, commented areas are printed in green by default, so they should be easy to identify. Is there a clean oneliner way to do this in matlab. To add a section comment, you type %%, a space, and the comment. Use the figure command to open a new figure window. Jan 29, 2017 i realize some of the above lines are unnecessary, but im leaving them in so its clear what the idea is also, you may encounter the problem of your axis having overlapping numbers if your numbers are ranged similarly this wont happen, but if it does, it can be solved by setting the axis properties to match each other. 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. How do i comment out a large block of code in matlab.
For over 25 years hes worked in the semiconductor and software industries as a. Matlab is a programming, modeling and simulation platform that merges a desktop environment tuned for iterative analysis and design processes with a programming language that expresses matrix and array mathematics directly. You can comment out matlab blocks with % comments go here % outside comment. When you add a %% comment in the editor window, matlab adds a section line above the comment unless the comment appears at the top of the window, effectively dividing your code into discrete sections. Note that the % needs to be a new line with nothing else on that.
To comment out part of a statement that spans multiple lines, use an ellipsis. If i just orientate it horizontally it simply wont fit the screen and i dont want to set it at neither of the sides as i would waste space. Multiline comments may be nested, making the useful for temporarily commenting out blocks of maple source code that may already contain single or multiline comments. Unlike the plot function, line adds the line to the current axes without deleting other graphics objects or resetting axes properties. I want both the points and the linear equation graphed in one figure. To split legend to multiple lines, use ascii character 10 for new line, for example. Even with just limited technical knowledge, users can run deployed models up to 7 times faster than other similar software.
How to have multiple lines on a graph for different values. By systematically commenting out and running parts of the program, the source of an error can be determined, allowing it to be corrected. Matlab programmingcomments wikibooks, open books for an. Until you use hold off or close the window, all plots appear in the current figure window.
If one or two of x, y, and z is a vector and the others are matrices of the same size, then line plots multiple 3d lines. 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 controlr to comment the whole block. As with standard comments, the %% comment appears in green type. How to do group commenting without commenting each line in. How do i use the help command to display multiline comments. Removing gridedge lines in pcolor figure matlab answers. Apr 08, 2020 some long time users of this software application claim that it is quite better than both octave and matlab due to the advanced math operations and engineering analysis it can handle but whether this is true or not, it stands as a testament to its computational abilities as a good alternative to matlab both students and working professionals should consider. I know how to comment uncomment a line in a matlab script thats not running, but i was wondering if there is a syntax to skip reading certain lines in a running matlab script. To add comments to matlab code, use the percent % symbol. If you are using the matlab editor, you can highlight the block of code that you want to comment then select the textcomment menu item or type a controlr.
For multiline edit boxes, a vertical scrollbar enables scrolling, as do the arrow keys. You can plot multiple lines using the hold on command. Adding comment out for matlabmode emacs stack exchange. I checked the documentation and tried it with the hggroup and the findobj, since they looked helpful, but couldnt get it done. To comment out multiple lines of code, use the block comment operators, %and %.
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