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Input the formula as a string. The function can be used to display a hyperlink in the form of a clickable link on the screen. Do you want to open this example with your edits? "on". You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. multiple points, specify x and y as x-axis position in data units. A hexadecimal color code is a character vector or a string Another way to display a variable is to type its name, which displays a leading " X = " before the value. >>dispwithname(lake_Erie,lake_Huron,lake_Michigan,lake_Ontario,lake_Superior), But, you don't even need to do that if use the alternate version I mentioned--. Improvements to format and the like are probably near endless That's a realy good code. The variable A in the string is replaced by its values. components of the color. Or what if you modify the format to show more decimal places? To add text to for example I defined x already, and I want to display exp(x). For more information about the LaTeX Can Martian regolith be easily melted with microwaves? Return the text objects, t. The text function creates one text object for each text description. Setting the root FixedWidthFontName property causes an The default To display more than one array, you can use concatenation or How do I iterate over the words of a string? Just one more quick question - if I create an output variable in one function - for example: function a=simple(x); a=x^2; how can i access the value of 'a' from other functions? All disp(A). With respect to suggesting a good resource for learning MATLAB, you shouldn't underestimate the value of the MATLAB documentation. You can specify text properties with any of supported markup, see the Interpreter property. 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. Accelerating the pace of engineering and science. scalar that starts with a hash symbol (#) You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. type of axes: For Cartesian axes, the first coordinate is the sprintf or fprintf functions disp is the simpler version of the two. pairs does not matter. If you do not specify the % finds the largest number before the decimal point, % number of blank space to align the decimal points, % displays the numbers aligned at the decimal point, blanks(maxChar-bks2(i)) num2str(varargin{i})]). value of variable X without printing the variable values. Other MathWorks country sites are not optimized for visits from your location. disp (X) muestra el valor de la variable X sin imprimir el nombre de la variable. I have a button with a callback function, where I am doing my calculations. An RGB triplet is a three-element row vector whose elements Evaluate the result in double precision using double. Otra forma de mostrar una variable es escribir su nombre, que muestra " X = " delante del valor. Read this to know why: https://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval. 3 disp is what you are looking for, as in: >>disp string %command format for single string arguments string >>disp 'string test' string test >>disp ('string test') %function format string test and for a variable >> test= 'string'; >> disp (test) string but not >>disp string test Error using disp Too many input arguments. Use a character array with multiple rows, where each To use LaTeX markup, set the interpreter to 'latex'. Ejemplos contraer todo Mostrar los valores de una variable Copy Command Does ZnSO4 + H2 at high pressure reverses to Zn + H2SO4? Accelerating the pace of engineering and science. Im assuming I just have to first define exp(x) as a variable first, but just checking. Thanks for the advise. For example, display displays a leading X = before the and subscripts, modify the font type and color, and include special characters in To display a text in MATLAB, we use disp function which displays the text or value stored in a variable without actually printing the name of the variable. On Macintosh systems, a pixel is 1/72nd of an Choose a web site to get translated content where available and see local events and 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. 'Sync rate is and then to display : "Avg timestamp diff is"'. Code: var_int8 = uint8 (50) ; var_int16 = uint16 (50); var_int32 = uint32 (50); var_int64 = uint64 (50); Output: 9. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. str = "Hello World"; disp(str) Output: Hello World In the above code, we display a variable str which contains a string. Multiply the matrix by the scalar coefficient K^2. text'). offers. For example, text(.5,.5,sprintf('first https://www.mathworks.com/matlabcentral/answers/495732-how-to-display-result-in-text-area-in-matlab-appdesigner, https://www.mathworks.com/matlabcentral/answers/495732-how-to-display-result-in-text-area-in-matlab-appdesigner#comment_2480608, https://www.mathworks.com/matlabcentral/answers/495732-how-to-display-result-in-text-area-in-matlab-appdesigner#answer_405608, https://www.mathworks.com/matlabcentral/answers/495732-how-to-display-result-in-text-area-in-matlab-appdesigner#comment_776386, https://www.mathworks.com/matlabcentral/answers/495732-how-to-display-result-in-text-area-in-matlab-appdesigner#comment_776407, https://www.mathworks.com/matlabcentral/answers/495732-how-to-display-result-in-text-area-in-matlab-appdesigner#comment_961189, https://www.mathworks.com/matlabcentral/answers/495732-how-to-display-result-in-text-area-in-matlab-appdesigner#comment_961378, https://www.mathworks.com/matlabcentral/answers/495732-how-to-display-result-in-text-area-in-matlab-appdesigner#answer_944420, https://www.mathworks.com/matlabcentral/answers/495732-how-to-display-result-in-text-area-in-matlab-appdesigner#comment_2107300, https://www.mathworks.com/matlabcentral/answers/495732-how-to-display-result-in-text-area-in-matlab-appdesigner#answer_1106428. Description. cool but you dont get to use num2str do you? Do you want to open this example with your edits? did not worked. FontAngle properties do not have an effect. Here in Matlab it looks like just a regular alphabetic letter. String representing a symbolic formula, specified as a character vector, string For polar axes, the first coordinate is the polar angle App designer has edit fields that return text and edit fields that return numeric values. This displays the contents of the array as a row vector though, changing the original shape of the matrix. specify the Position and String properties Unable to complete the action because of changes made to the page. If you are using an earlier release, use the set function instead. and print text properly, you must choose a font that your system supports. display mode, surround the markup with double dollar signs 'For x=-20 the true value of e^x is: %.10f\n', i had the \ mixed up with the / so the next line wasnt being created, You may receive emails, depending on your. New value, specified as a number, character vector, string scalar, cell array of thank you so much, it works exactly how I need it to work! 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. Agreed. Data Types: double | single | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64. To add text to multiple points, specify x and y as vectors with equal length. For examples that use TeX and LaTeX, see Greek Letters and Special Characters in Chart Text. If a variable contains an empty array, disp returns name. expression, or array. When adding multiple text descriptions to the axes, display multiline text by specifying nested cell arrays. 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. Here are three ways to display multiple variable values on the same line in the Command Window. To Use disp to display the result. You clicked a link that corresponds to this MATLAB command: Run the command by entering it in the MATLAB Command Window. To change the Create a 3-by-3 matrix. yes where were we? Concatenate multiple character vectors together using the [] operator. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, use sprintf: str='DEF'; var=sprint('abc%sghi',str); => abcDEFghi. A structure is defined as the record-making process having various fields with different names. Rank1 = 5 A = 'Let us learn how to display text in MATLAB', A = 'Let us learn how to display text in MATLAB' Create a line plot and add two text descriptions to the axes. I think there's something really simple that I'm not doing here with the variables, but I can't figure out what it is. scalar, cell array of character vectors, or string array. axes, then text uses the current axes. I will do hard-coding as shown above to obtain relatively good plots. x. Font size, specified as a scalar value greater than zero in point units. Choose a web site to get translated content where available and see local events and offers. Is there a single-word adjective for "having exceptionally strong moral principles"? initial_conditions = [r1_eq 0.d0 r2_eq 0.d0]; max_radii_combined = (max(r2_us) + max (r1_us))/1d6, diff_close_safe_positive = d_close - max_radii_combined, diff_far_safe_positive = d_far - max_radii_combined. thanks! Please see above. Unable to complete the action because of changes made to the page. MATLAB will automatically assign the first output d (which has the value 3 in this case) to the default workspace variable ans. To use the disp function, put the name of the variable to be outputted in parentheses immediatelly following disp. or duration values to the appropriate numeric values for a particular Other MathWorks country offers. Font name, specified as a supported font name or 'FixedWidth'. https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636700, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636704, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636709, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636710, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636734, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636738, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#answer_346705, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636714, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636718, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636720, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636721, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636725, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636727, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636744, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636777, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636785, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636789, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636801, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636853, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636855, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636859, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636872, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636873, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636881, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_637283, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_637289, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#answer_346706, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#comment_636715, https://www.mathworks.com/matlabcentral/answers/429596-how-do-i-insert-a-variable-text-string-in-matlab-plot#answer_346721. Another way to display a variable is to type its name, which Here we also discuss the syntax and parameters of Matlab display text along with different examples and its code implementation. Then you cannot define. The initial section of the video is explaining what is function block. '; 'second']). 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. Third coordinate, specified in one of these forms: The interpretation of the third coordinate depends on the Create another string symstr that contains S. Display symstr as a formula without evaluating the operations by using displayFormula. GeographicAxes object. would have been re-defined, but it is commented: Either delete the "%" character there or better use a unique name for the variable: It is not clear, what a "third legend" is. one or more text objects. Concatenate multiple character vectors together using the [] operator. sites are not optimized for visits from your location. In your code, instead of just setting 'answer' to some string, set a variable using whatever code is dealing with your user's information. For example, text(.5,.5,['first For this example, we will be combining 3 variables, D = [ Country, ' is ranked ' , num2str(Rank1), 'th in terms of nominal GDP and ', num2str(Rank2), 'rd in terms of PPP '], Country = 'India' For example, text(.5,.5,'my text'). Here are the RGB triplets and hexadecimal color codes for the default colors MATLAB uses in many types of plots. To change You clicked a link that corresponds to this MATLAB command: Run the command by entering it in the MATLAB Command Window. You can access it online, or within your copy of MATLAB using the functions DOC, HELP, or HELPWIN. those available on your system. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. I found the solution to the problem from a user in Stackoverflow. Based on the default system font character size. Maybe something like: reading your comment, this is how you use your functions from the main program: Also for the answer() function, you can assign the output values to a vector instead of three distinct variables: As Peter and Amro illustrate, you have to convert numeric values to formatted strings first in order to display them or concatenate them with other character strings. Greek letters, or mathematical symbols, use TeX markup. Use disp to display the result. If a one line solution is needed, you can use the num2str function to convert the matrix to a character array. without displaying anything. By the way, had a look at this: Madhan. You have a modified version of this example. Login details for this Free course will be emailed to you. url = 'https://www.myurladdress.com'; site = 'My site name'; The url needs to be configured in html format in the fprintf () call. Disconnect between goals and daily tasksIs it me, or the industry? One point equals Another way to display a variable is to type its name, which displays a leading " X = " before the value. Use \leftarrow to display a left-pointing arrow. If a variable contains an empty array, disp returns without displaying anything. I edited the code for numbers so that the decimal point is alligned and I thought I might share it. Examples collapse all Display Variable Values Create a variable with numbers and another variable with text. 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. Do you want to get a third entry in this legend? Choose a web site to get translated content where available and see local events and offers. And the complete code is only six lines how did I do that? I've learned most of what I know on my own using it. (hp is the variable name for highest point), 'The highest point of the mountain is : %d feet.\n'. more information, see Run MATLAB Functions in Thread-Based Environment. 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 use a fixed-width font that looks good in any locale, use 'FixedWidth'. lies in relation to the text. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Unfortunataly, it does not work well with string/chars now. For multiline text, use nested cell arrays. The maximum size of the text that you can use with the LaTeX interpreter is 1200 Data Types: single | double | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64. If a variable contains an empty array, disp returns without displaying anything. Hope you remember. By default, MATLAB supports a subset of TeX markup. Location of the text, specified as a two-element vector of the To clip the text to the axes boundaries, set the property to text (x,y,z,txt) positions the text in 3-D coordinates. The disp()function is very easy to use but provides limited control of output formatting. Then assign the string to the text box in the app using. To display more than one array, you can use concatenation or the sprintf or fprintf functions as shown in the example, Display Multiple Variables on Same Line. you see the plot here, mu looks so different than m in the plot. MathWorks is the leading developer of mathematical computing software for engineers and scientists. Based on your location, we recommend that you select: . How do I read / convert an InputStream into a String in Java? How do I replace all occurrences of a string in JavaScript? Display a link to a Web page by including HTML hyperlink For polar and geographic axes, the third coordinate affects It will only output the value of variable, and not the variable name. For example, text(.5,.5,{'first','second'}). This would be confusing, because readers expect the same number of lines as legend entries. "#F80", and Hadoop, Data Science, Statistics & others. Extended Capabilities Thread-Based Environment Run code in the background using MATLAB backgroundPool or accelerate code with Parallel Computing Toolbox ThreadPool . To evaluate the strings S and symstr as symbolic expressions, use str2sym. text(.5,.5,"\default"). 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. Keeping data together makes processing it easier. nothing is displayed on the output screen, Initialize the array whose elements we want to display, Pass the array as a parameter to the disp function, Initialize the string which we want to display, Pass the string as a parameter to the disp function, Create a new variable with the above two variables and with any text required in between the variables, Pass the variables as parameters to the disp function, To display text or numeric values in MATLAB, we use disp function, Disp function helps us to get the output displayed without getting the name of the variable, Disp function can be used both for a single variable and multiple variables.