Here's how you convert numbers to strings, and join strings to other things (it's weird): You can use fprintf/sprintf with familiar C syntax. Extended Capabilities Thread-Based Environment Run code in the background using MATLAB backgroundPool or accelerate code with Parallel Computing Toolbox ThreadPool . However, to terminate the display properly, you must end the text with the newline (\n) metacharacter. To create text using one of these words, append a backslash This function fully supports thread-based environments. I've learned most of what I know on my own using it. Create a variable with numbers and another variable with text. For example, text(.5,.5,'my text'). Use solve to find the zeros of the quadratic equation. Based on your location, we recommend that you select: . For examples that use TeX and LaTeX, see Greek Letters and Special Characters in Chart Text. Based on your location, we recommend that you select: . text'). See examples in the link. Please see above. font depends on your operating system and locale. ', I took that line from your code. z must be equal sizes. By signing up, you agree to our Terms of Use and Privacy Policy. Disp function can be used to display both numeric and string values stored in a variable. D = [ Country, ' is ranked ' , num2str(Rank), 'th in terms of nominal GDP' ], Country = 'India' ? Data Types: double | single | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64. Accelerating the pace of engineering and science. For example, text(.5,.5,['first font style, use LaTeX markup. D = [ Country, ' is ranked ' , num2str(Rank1), 'th in terms of nominal GDP and ', Plot a sine curve. thanks, this is definitely simpler, but the exercise specifically asks you to build functions and to have them pass variables back and forth. To display more than one array, you can use concatenation or Identify those arcade games from a 1983 Brazilian music video, Why is the function returning "ans 3" even though I didn't ask for the length of. Asking for help, clarification, or responding to other answers. ($$). the font size to 14 points. Use fprintf to directly display the text without creating a variable. Multiply the matrix by the scalar coefficient K^2. disp(A). type of axes: For Cartesian axes, the third coordinate is To learn more, see our tips on writing great answers. text (x,y,z,txt) positions the text in 3-D coordinates. for example I defined x already, and I want to display exp(x). To display more than one array, you can use concatenation or Yes. Just put the name of the variable on the line of code without anything else, no semicolon, etc. pixels are independent of your system resolution on Windows and Macintosh systems: On Windows systems, a pixel is 1/96th of an inch. For You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. To change >> "abc" + "def" ans = "abcdef" >> and your example . This function can be used in cases where our code is not very long or easy to understand, and there is no need of displaying the input variables. MATLAB uses the FontWeight property to select a font from as name-value pairs, then you do not need to specify the x, y, z, Greek letters, or mathematical symbols, use TeX markup. To Below is the code. You have a modified version of this example. I want to just have little sections of text that pop up explaining what is happening in the program-and I want these to be displayed in the command window for a user to see. the Position property. I am trying to display this sentence in a single line of output in the command window. Accelerating the pace of engineering and science. With respect to suggesting a good resource for learning MATLAB, you shouldn't underestimate the value of the MATLAB documentation. Keeping data together makes processing it easier. Choose a web site to get translated content where available and see local events and then MATLAB sets it to 0. See the below code. For an example, see Display Differential Equation. Convert any numeric values to characters using the num2str function. you see the plot here, mu looks so different than m in the plot. :), You may receive emails, depending on your. 'the highest point of the mountain..)". MathWorks is the leading developer of mathematical computing software for engineers and scientists. Not only that but your idea of calculating the mean of each column separately is waste of MATLAB, which generally works most efficiently on entire arrays at once. legend only and not even a second one. By the way, had a look at this: Madhan. You can specify an output with any of the previous syntaxes. x-axis position in data units. By the way I have posted one more problem in case it interests you. displayFormula(symstr,old,new) Input the formula as a string. str = "Hello World"; disp(str) Output: Hello World In the above code, we display a variable str which contains a string. value of variable X without printing the variable displays a leading X = before the You have a modified version of this example. Unable to complete the action because of changes made to the page. Reload the page to see its updated state. Or what if you modify the format to show more decimal places? text(ax,___) creates the text in the a link to the MathWorks Web site. How do I convert a String to an int in Java? How do I replace all occurrences of a string in JavaScript? Also, the values for all of the output arguments are empty. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. For '; 'second']). Description. https://www.mathworks.com/matlabcentral/answers/369589-how-to-get-matlab-to-print-both-values-and-variable-name, https://www.mathworks.com/matlabcentral/answers/369589-how-to-get-matlab-to-print-both-values-and-variable-name#answer_293440, https://www.mathworks.com/matlabcentral/answers/369589-how-to-get-matlab-to-print-both-values-and-variable-name#comment_509793, https://www.mathworks.com/matlabcentral/answers/369589-how-to-get-matlab-to-print-both-values-and-variable-name#answer_293436, https://www.mathworks.com/matlabcentral/answers/369589-how-to-get-matlab-to-print-both-values-and-variable-name#comment_2487123, https://www.mathworks.com/matlabcentral/answers/369589-how-to-get-matlab-to-print-both-values-and-variable-name#answer_293435, https://www.mathworks.com/matlabcentral/answers/369589-how-to-get-matlab-to-print-both-values-and-variable-name#comment_509729, https://www.mathworks.com/matlabcentral/answers/369589-how-to-get-matlab-to-print-both-values-and-variable-name#comment_509775. 'bold'. y z]. I have a button with a callback function, where I am doing my calculations. Let us now understand the code of disp function in MATLAB with the help of various examples: Following are the examples are given below: In this example, we will learn how to display a simple array in MATLAB using disp function. I just realized why I was having so much trouble - in MATLAB you can't store strings of different lengths as an array using square brackets. This property affects the Position and Extent properties. Other MathWorks country Does a summoned creature play immediately after being summoned by a ready action? (enclosed in single quotation marks) as a string array. Accelerating the pace of engineering and science. You can access it online, or within your copy of MATLAB using the functions DOC, HELP, or HELPWIN. Use red, size 14 font. as I am not much familiar with App Designer, I would ask for your help regarding a similar issue. The disp()function is very easy to use but provides limited control of output formatting. "#ff8800", if you have a complex number vector just use: theThingYouWantToShow = roots(someArray); %theThingYouWantToShow is a vector with complex numbers (if you can show this, you can show anything :) (I guess) ), https://www.mathworks.com/matlabcentral/discussions/highlights/134262-new-in-r2021a-capture-disp-output-as-a-string. All units, except for 'data', are measured scalar, cell array of character vectors, string array, symbolic variable, function, How do I make the first letter of a string uppercase in JavaScript? Other MathWorks country You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Accepted Answer: madhan ravi Part of my code is Theme Copy d_close = 3* (r1_eq + r2_eq) figure (101); h1 = plot (normalized_time, r1_us, 'b-', normalized_time, r2_us, 'k:'); set (h1,'linewidth',2); txt = ['d = ', num2str (d_close)]; % t = text (0.0025, 17, txt); t.FontSize = 24; legend ( ['Bubble-1'], ['Bubble-2']) and so on. text(.5,.5,["first","second"]). Bulk update symbol size units from mm to map units in rule-based symbology, Surly Straggler vs. other types of steel frames. Use sprintf to create text, and then display it with disp. MathWorks is the leading developer of mathematical computing software for engineers and scientists. The next section is about how to write user-defined program for the Matlab function. That was helpful, but it's still not working the way I want it to. Keeping data together makes processing it easier. MathWorks is the leading developer of mathematical computing software for engineers and scientists. Here are three ways to display multiple variable values on the same line in the Command Window. Does it? To add text to pairs does not matter. I tried different matrices and stuff like: but none of the variables are showing up. properties using one or more name-value pairs. How does that number display using the %f format inside. To evaluate the strings S and symstr as symbolic expressions, use str2sym. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. disp(D). How to read a text file into a string variable and strip newlines? How to use disp command or disp function in matalab. Horizontal alignment of the text with respect to the x value Create a string S representing a symbolic expression. To change https://www.mathworks.com/matlabcentral/answers/448039-trying-to-display-text-and-variable-in-a-single-output-line-i-was-initially-trying-to-use-disp-then, https://www.mathworks.com/matlabcentral/answers/448039-trying-to-display-text-and-variable-in-a-single-output-line-i-was-initially-trying-to-use-disp-then#answer_363611. Define a string that represents a quadratic formula with the coefficients a, b, and c. Display the quadratic formula, replacing a with k. Display the quadratic formula again, replacing a, b, and c with 2, 3, and -1, respectively. So, I had to opt for string-method to put the additional information on the plot. Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? The function can be used to display a hyperlink in the form of a clickable link on the screen. markup. the Text object. By the way I have solved the bubble coupled ODE problem that I had posted yesterday. But I'm trying to sort variables from highest to lowest and I want to get Matlab to print their corresponding variables rather than just giving me numbers. ok thanks, that worked wonderfully except there are 2 more variables, so 3 of what you stated: fprintf('The highest point of the mountain is : %d feet.\n', hp); only thing is it puts all 3 on the same line: The highest point of the mountain is : 4563 feetThe angle of. and so on. First coordinate, specified in one of these forms: The interpretation of the first coordinate depends on the a bold font weight can still result in the normal font weight. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy, Explore 1000+ varieties of Mock tests View more, 360+ Online Courses | 50+ projects | 1500+ Hours | Verifiable Certificates | Lifetime Access, R Programming Training (13 Courses, 20+ Projects), All in One Data Science Bundle (360+ Courses, 50+ projects), disp (A) will display the value of input variable A without printing the name of the variable, For an empty input array, A, disp will return a blank screen i.e. followed by three or six hexadecimal digits, which can range Why do we need a function block in Matlab? adds a text description to one or more data points in the current axes using the Another way to display a variable is to type its name, which displays a leading " X = " before the value. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. units. New value, specified as a number, character vector, string scalar, cell array of An RGB triplet is a three-element row vector whose elements Font size, specified as a scalar value greater than zero in point units. thank you so much, it works exactly how I need it to work! Other MathWorks country Choose a web site to get translated content where available and see local events and offers. Use sprintf to create a new line My assignmend is telling me to use the display command to display the phrase "The first random variable is" and the x value (calculated earlier in the script) on the same line. To change the font units, use the Other MathWorks country sites are not optimized for visits from your location. To use a fixed-width font that looks good in any locale, use 'FixedWidth'. Couple of choice depending upon just how you want to use it As a function, can retrieve the passed variable name with, so can write something like the following (without any error checking, formatting, etc., etc., etc., )--, % DISPWITHNAME(X) -- Display scalar variable(s) in argument list with name(s), Alternatively, you could capture the list of desired variables from, with an argument list including appropriate wildcard and then iterate over that list having rearranged the order from the default aplphanumeric sort to the desired numeric order by use of the optional indexing array variable returned by. As we can see in the output, the elements of array A are displayed using disp function. How Intuit democratizes AI development across teams through reusability. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How do I insert a variable text string in matlab. One point equals ax can precede any of the input argument combinations in Use \leftarrow to display a left-pointing arrow. How do I iterate over the words of a string? sites are not optimized for visits from your location. See Append Text to Strings before you try my code. To clip the text to the axes boundaries, set the property to components of the color. I have tried using the disp command, however as the text I am choosing to display has not been assigned to a variable so it will not work. Other MathWorks country sites are not optimized for visits from your location. If you Choose a web site to get translated content where available and see local events and Not all fonts have a bold weight. units, set the Units property for the With respect to getting ans = 3 as an output, it is probably because you are not assigning the output from answer to a variable. This table lists the supported special characters for the in radians. This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. Name in quotes. This would be confusing, because readers expect the same number of lines as legend entries. row contains the same number of characters. The vertical line indicates where the x value Much simpler would be to store the names as data in their own cell array (untested as you did not supply any data): vec = [ 4, 2, 1, 3, 5]; So it sorted the data and names, and then printed them in the command window, exactly as you requested. scalar, cell array of character vectors, or string array. The disp()function displays exactly one value/variable to the screen. Other MathWorks country sites are not optimized for visits from your location. Character thickness, specified as 'normal' or "m" looks like regular alphabet. Improvements to format and the like are probably near endless That's a realy good code. Consider replacing the text edit fields with numeric edit fields, For edit field area, I have used Numeric and I have done like this code, No public property EIRP2 exists for class LinkBudgetApp. Learn more about matlab, variable, text, string, legend 0.6 0.7]. MathWorks is the leading developer of mathematical computing software for engineers and scientists. You have a modified version of this example. Does ZnSO4 + H2 at high pressure reverses to Zn + H2SO4? To add text to one point, specify x and y as scalars. form [x y] or a three-element vector of the form [x As we can see, the output has values that are derived from multiple variables. The main function should then display the results as a string containing x, y, and the totals. MATLAB will automatically assign the first output d (which has the value 3 in this case) to the default workspace variable ans. coordinate direction, see ruler2num. Maybe an additional title helps: https://www.mathworks.com/matlabcentral/answers/324848-setting-a-title-for-a-legend. To store strings of varying lengths as elements of an array, you need to use curly braces to save as a cell array. app.EIRP.Value = num2str(eval(app.EIRP2)); How Can I add nultiple line in a single text area using differnt sprint commands. Display multiline text by specifying str as a cell array. Expression or variable to be replaced, specified as a character vector, string ALL RIGHTS RESERVED. that contain numeric characters such as '42', you must convert them to numeric, do the math, then convert the result back to character (or string). lake_names =[lake_Erie,lake_Huron,lake_Michigan,lake_Ontario,lake_Superior]; now I want to get Matlab to show me the lake names and the corresponding value after it sorts them, is that even possible to do? To change the The properties listed here are only a subset. displays a leading X = before the Quick replies are much appreciated, thanks. I was looking for that only for aesthetic purposes. code as input to disp. by the way how does your variable m is in latex form in the(ylabel) picture below? You can use the disp () function to display a string in MATLAB. Choose a web site to get translated content where available and see local events and As we can see in the output, the input string is displayed using the disp function. characters within the curly braces. Convert any numeric values to characters using the num2str function.