matlab display text and variable

Any suggestions? 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. Display a link to a Web page by including HTML hyperlink For a list How do I align things in the following tabular environment? (\) before the word; for example, text(ax,___) creates the text in the "#ff8800", I found the solution to the problem from a user in Stackoverflow. 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. Display the formula along with the text. Based on your location, we recommend that you select: . Return the text objects, t. The text function creates one text object for each text description. text specified by txt. vectors with equal length. How do I make the first letter of a string uppercase in JavaScript? Specify optional pairs of arguments as '; 'second']). Convert any numeric values to characters using the num2str function. 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. I'm assuming that's the value you want to assign to the numeric text field. the supported modifiers are as follows. For example: function b=simple2(x); b=a*x; %calling on a from 'simple', @jefflovejapan: In such a case, your second function would be. Greek letters, or mathematical symbols, use TeX markup. Thanks for contributing an answer to Stack Overflow! Web browsers do not support MATLAB commands. to create a string that includes values from your variables. The initial section of the video is explaining what is function block. Name in quotes. Let us take another example where we will use disp function to get output displayed out of multiple variables. Unable to complete the action because of changes made to the page. 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. '', Run MATLAB Functions in Thread-Based Environment, Modern Slavery Act Transparency Statement. Improvements to format and the like are probably near endless That's a realy good code. Choose a web site to get translated content where available and see local events and offers. Do you want to open this example with your edits? Is it known that BQP is not contained within NP? Ejemplos contraer todo Mostrar los valores de una variable Copy Command Not the answer you're looking for? Use disp to display the result. In your code, instead of just setting 'answer' to some string, set a variable using whatever code is dealing with your user's information. By the way can I have a third legend in which there are only two curves? How to use function block in Simulink Matlab is a lecture in MATLAB TUTORIALS. I want them to be latex equally. https://www.mathworks.com/matlabcentral/answers/35676-why-not-use-square-brackets. format | int2str | num2str | sprintf | fprintf | formattedDisplayText. 'bold'. How do you get out of a corner when plotting yourself into a corner. You can adapt those variables to this form, In the code from your comment above, the first line (. ) For a list of properties variable = ['hello this is x' x ', this is now y' y ', finally this is d:' d], variable = [str1 str2 str3 str4 str5 str6]. of the input argument combinations in the previous syntaxes. Convert any numeric values to characters using the num2str function. https://www.mathworks.com/matlabcentral/answers/52689-displaying-a-description-and-variable-value-in-the-same-line, https://www.mathworks.com/matlabcentral/answers/52689-displaying-a-description-and-variable-value-in-the-same-line#answer_64219, https://www.mathworks.com/matlabcentral/answers/52689-displaying-a-description-and-variable-value-in-the-same-line#comment_109135, https://www.mathworks.com/matlabcentral/answers/52689-displaying-a-description-and-variable-value-in-the-same-line#comment_109136, https://www.mathworks.com/matlabcentral/answers/52689-displaying-a-description-and-variable-value-in-the-same-line#comment_109138, https://www.mathworks.com/matlabcentral/answers/52689-displaying-a-description-and-variable-value-in-the-same-line#comment_1268420, https://www.mathworks.com/matlabcentral/answers/52689-displaying-a-description-and-variable-value-in-the-same-line#comment_1268500, https://www.mathworks.com/matlabcentral/answers/52689-displaying-a-description-and-variable-value-in-the-same-line#comment_1268505, https://www.mathworks.com/matlabcentral/answers/52689-displaying-a-description-and-variable-value-in-the-same-line#answer_64221. For a full list, see Text Properties. Add the same text to two points along the line. To use a fixed-width font that looks good in any locale, use 'FixedWidth'. A = 'Let us learn how to display text in MATLAB', A = 'Let us learn how to display text in MATLAB' How do I put variable values into a text string in MATLAB? Expressions or variables other than old are not replaced by their And the complete code is only six lines how did I do that? Plot a sine curve. Other MathWorks country You have a modified version of this example. What is a word for the arcane equivalent of a monastery? by the way how does your variable m is in latex form in the(ylabel) picture below? text(___,Name,Value) specifies Text object The disp()function is very easy to use but provides limited control of output formatting. Add different text to each point by specifying str as a cell array. particular units, set the Units property before New value, specified as a number, character vector, string scalar, cell array of You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. 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? 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. 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. Bulk update symbol size units from mm to map units in rule-based symbology, Surly Straggler vs. other types of steel frames. Use subs to replace a, b, and c in the solution with 2, 3, and -1, respectively. To display more than one array, you can use concatenation or By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Or, if hp is a floating point number instead of an integer, use %f instead of %d: 'The highest point of the mountain is : %.2f feet.\n'. The default font How can I write in the end of the function that it displays these values? those available on your system. url = 'https://www.myurladdress.com'; site = 'My site name'; The url needs to be configured in html format in the fprintf () call. . units. Find the treasures in MATLAB Central and discover how the community can help you! displayFormula(symstr) displays the symbolic MathWorks is the leading developer of mathematical computing software for engineers and scientists. Como imprimir una funcin de transferencia en un texteditfield ? the layering of text on the axes. Below is the code. You can use the disp () function to display a string in MATLAB. The vertical line indicates where the x value 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. Ben, that should work if you put enough significant digits: 'For x=-20 the true value of e^x is: %.22f\n', For x=-20 the true value of e^x is: 0.0000000020611536224386, 'For x=-20 the true value of e^x is: %g\n', That's a pretty small number. In general you should keep data together as much as possible, not split it apart. Target axes, specified as an Axes object, a Display the formula along with the text. specify the intensities of the red, green, and blue Use red, size 14 font. For example, text(.5,.5,['first Other MathWorks country sites are not optimized for visits from your location. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. type of axes: For Cartesian axes, the third coordinate is Hadoop, Data Science, Statistics & others. Do you want to open this example with your edits? 'For x=-20 the true value of e^x is: %f\n'. Your approach is fundamentally flawed because you are storing meta-data in the variable names: trying to access that meta-data will make your code complex, slow, and hard to debug. All ? MathWorks is the leading developer of mathematical computing software for engineers and scientists. 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. Unable to complete the action because of changes made to the page. How do I iterate over the words of a string? But, "m" does not look like a mathematical character as it looks neat in latex. array, cell array, or categorical array. sites are not optimized for visits from your location. and print text properly, you must choose a font that your system supports. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Choose a web site to get translated content where available and see local events and MathWorks is the leading developer of mathematical computing software for engineers and scientists. the sprintf or fprintf functions answer = 'what your want to display'; app.FeedbackTextArea.Value = answer; When you push the button the text area gets filled. Use fprintf to directly display the text without creating a variable. disp ('Temperature is:'); disp (UU (90)); disp ('After: '); disp (timeInMinutes); disp ('minutes'); but I'd like to have it all in a single disp. the sprintf or fprintf functions Text object. x and y as scalars. Therefore, specifying Concatenate multiple character vectors together using the [] operator. 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' 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. 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. 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 can also combine a string that represents a symbolic formula with regular text For y z]. On Macintosh systems, a pixel is 1/72nd of an D = [ Country, ' is ranked ' , num2str(Rank), 'th in terms of nominal GDP' ] If a variable contains an empty array, disp returns without displaying anything. removed but currently I am facing another issue. A = [15 150]; S = 'Hello World.'; Web browsers do not support MATLAB commands. Quick replies are much appreciated, thanks. The function can be used to display a hyperlink in the form of a clickable link on the screen. But after I use the sort command the function only gives me values (from highest to lowest), what im trying to do is to get Matlab to find the corresponding variable name from the value and splay them together. y-axis position in data units. The keyword used for a structure in Matlab is "struct" Array of a structure is also possible in Matlab. I. MATLAB Concepts A. For example, text([0 1],[0 1],{'first','second'}). By signing up, you agree to our Terms of Use and Privacy Policy. as I am not much familiar with App Designer, I would ask for your help regarding a similar issue. text objects is set to "off" so the text might appear outside Does a summoned creature play immediately after being summoned by a ready action? replaces only the expression or variable old with new. Hope you remember. MathWorks is the leading developer of mathematical computing software for engineers and scientists. I wish mu and m to appear as they appear from latex coding $\mu m$ in the respective pdf file. For polar axes, the first coordinate is the polar angle Based on your location, we recommend that you select: . Thanks for the advise. 'tex' interpreter. 1 I actually have found a satisfactory answer, which builds on the answer of Rotem above: In the button pushed callback, simply add: % Button pushed function: UpdateButton function UpdateButtonPushed (app, event) app.UITable.Data = app.T; app.UITable.ColumnName = app.T.Properties.VariableNames; end font style, use LaTeX markup. Modifiers remain in effect until the end of the text. For geographic axes, the second coordinate is longitude in Text color, specified as an RGB triplet, a hexadecimal color code, a color name, or a short axes, then text uses the current axes. units, set the Units property for the For Do I need a thermal expansion tank if I already have a pressure tank? MATLAB uses the FontWeight property to select a font from S = "m*diff (y,t,t) == m*g-k*y"; Create a string array that combines the differential equation and additional text. The lower left corner display mode, surround the markup with double dollar signs 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. Other MathWorks country With respect to suggesting a good resource for learning MATLAB, you shouldn't underestimate the value of the MATLAB documentation. Based on the default system font character size. specify the Position and String properties The next section is about how to get function block in a simulation canvas. rev2023.3.3.43278. By default, the Clipping property for value. 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. I've learned most of what I know on my own using it. So no remedy for latex letters in text string? 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. thanks, this is definitely simpler, but the exercise specifically asks you to build functions and to have them pass variables back and forth. When I run the function on (1,2) I get ans=3 , which means that the other two functions, mxy and dxy, aren't seeing the values of x and y. Keeping data together makes processing it easier. of the axes maps to, Oblique font (usually the same as italic font). Create a line plot and add two text descriptions to the axes. Before R2021a, use commas to separate each name and value, and enclose The variables can be defined as 8/16/32/64-bit unsigned integer depending on the size of the data to be stored in the variable. By default, the position value is defined in data units. Name1=Value1,,NameN=ValueN, where Name is % 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})]). I will do hard-coding as shown above to obtain relatively good plots. "#FF8800", Display multiline text by specifying str as a cell array. 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. You can specify an output with any of the previous syntaxes. values. Based on your location, we recommend that you select: . Create a variable with numbers and another variable with text. However, to terminate the display properly, you must end the text with the newline (\n) metacharacter. Create a variable with numbers and another variable with text. So, I had to opt for string-method to put the additional information on the plot. If you do not specify the Is there a single-word adjective for "having exceptionally strong moral principles"? >>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--. See the below code. 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. Web browsers do not support MATLAB commands. If a variable contains an empty array, disp returns without displaying anything. You have a modified version of this example. You clicked a link that corresponds to this MATLAB command: Run the command by entering it in the MATLAB Command Window. Convert any numeric values to characters using the num2str function. name. How to read a text file into a string variable and strip newlines? more information, see Run MATLAB Functions in Thread-Based Environment. expression, or array. Change the color and font size for the first text object using t(1). But when I run the code, I get the error. Create a 3-by-3 matrix. In the end I have some results I would like to display in the TexEdit Field. The error message is clear: Your, and a double vector. Syntax: disp (A) Text object. MATLAB will automatically assign the first output d (which has the value 3 in this case) to the default workspace variable ans. Concatenate multiple character vectors together using the [] operator. Create a string array that combines the differential equation and additional text. Introduction to Matlab Struct. For an example, see Display Differential Equation. Accelerating the pace of engineering and science. displayFormula(symstr,old,new) form [x y] or a three-element vector of the form [x Do you want to open this example with your edits? Font size, specified as a scalar value greater than zero in point units. The variable url is defined to hold the url address, and the site carries the display text for the address. text (x,y,txt) adds a text description to one or more data points in the current axes using the text specified by txt. Use sprintf to create text, and then display it with disp. Data Types: double | single | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64. a bold font weight can still result in the normal font weight. Here are three ways to display multiple variable values on the same line in the Command Window. "on". 'Sync rate is and then to display : "Avg timestamp diff is"'. As we can see, the output has values that are derived from multiple variables. Horizontal alignment of the text with respect to the x value Do new devs get fired if they can't solve a certain bug? sites are not optimized for visits from your location. offers. Text to display, specified as a character vector, string scalar, character array, string multiple points, specify x and y as Other MathWorks country sites are not optimized for visits from your location. text (x,y,z,txt) positions the text in 3-D coordinates. ax can precede any of the input argument combinations in , exp(x)); and it just returned 0.000000. thank you so much, it works exactly how I need it to work! I wish that every time the plot shows up it has the information of updated d_close value. property. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. ', I took that line from your code. Superscripts and subscripts are an exception because they modify only the next character or the options, the equivalent RGB triplets, and hexadecimal color codes. For example, text([0 1],[0 1],'my The option String representing a symbolic formula, specified as a character vector, string 'Disp function' can be used to display both numeric and string values stored in a variable. MathWorks is the leading developer of mathematical computing software for engineers and scientists. scalar. To change FontUnits property. How to display output variable with use define text. legend only and not even a second one. Choose a web site to get translated content where available and see local events and font depends on your operating system and locale. I was looking for something along what you wanted, but wanted to put it back into a variable. However, to terminate the display properly, you must end the text with the newline (\n) metacharacter. (enclosed in single quotation marks) as a string array. Here are the RGB triplets and hexadecimal color codes for the default colors MATLAB uses in many types of plots. There probably is a more efficent way to do this. To include special characters, such as superscripts, subscripts, fixed it myself using: But how do I latex the fonts and also how do I increase its size. It will only output the value of variable, and not the variable name. Do you want to open this example with your edits? Disp function can be used to display both numeric and string values stored in a variable. Reload the page to see its updated state. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. You have a modified version of this example. change the units, use the Units property. Extended Capabilities Thread-Based Environment Run code in the background using MATLAB backgroundPool or accelerate code with Parallel Computing Toolbox ThreadPool . disp(A). You clicked a link that corresponds to this MATLAB command: Run the command by entering it in the MATLAB Command Window. To change You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. How do I insert a variable text string in matlab. lies in relation to the text. As we can see in the output, the input string is displayed using the disp function. I know how to implement variable legend, but not the text. Another way to display a variable is to type its name, which displays a leading " X = " before the value. Display a matrix and label the columns as Corn, Oats, and Hay. Here are three ways to display multiple variable values on the same line in the Command Window. Choose a web site to get translated content where available and see local events and offers. Reload the page to see its updated state. Keeping data together makes processing it easier. more information, see Run MATLAB Functions in Thread-Based Environment. In a character array, each character in a string counts as one element, which explains why the size of a is 1X11. Use the elements of t to To clip the text to the axes boundaries, set the property to How do I convert a String to an int in Java? For example if your variable is myVar, DO NOT DO, Hi, thanks for the help. There is. Define a string that describes a differential equation.

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