How to print a variable in matlab

If you want to see the variables in a function workspace, then you have two main ways to achieve this: return some variables (i.e. output arguments) from a function to another workspace. use the debugging tools to view inside any workspace. This is explained in the documentation too: "By default, the Workspace browser displays the base workspace.

varname = genvarname(str) constructs a string varname that is similar to or the same as the str input, and can be used as a valid variable name. str can be a ...Link. Edited: MathWorks Support Team on 27 Nov 2018. To get the data type, or class, of a variable, use the “class” function. Theme. Copy. x = 100; class (x) To determine if a variable has a specified data type, use the “isa” function. Theme.format long. fprintf ('X1 = %f', x (1)) This outputs. Theme. Copy. X1 = 1.598803. If I just typed 'x (1)' into the command window, the output is 1.598802934802056, which is the number of decimal points that I want. I know I can just hard code it to have 15 decimal points in the fprintf line, but why doesn't it just accept the format I specified ...Function to display variables in MATLAB figures. Say in some logic these vectors hold their value for 'case1' which holds an integer value 10 (say). Now I want this integer -10 i.e. value of 'case1' to display when I plot a MATLAB figure say using plot (x,y).function dispwithname (varargin) % DISPWITHNAME (X) -- Display scalar variable (s) in argument list with name (s) for i=1:nargin. disp ( [inputname (i) '= ' num2str (varargin {i})]) end. Alternatively, you could capture the list of desired variables from who with an argument list including appropriate wildcard and then iterate over that list ...Is it possible to insert variables into a string like a legend or title? For example, I'm modeling a difference equation, and I'm using for-loops to test different parameters within the equation; is it possible to plot the results where the parameter value can be displayed in a legend or title with each for-loop iteration?Yes. Add outputs to your function if variables are immediately needed in other functions or scripts. Otherwise, you can save any (or all) variables within a function by calling save (filename,variables) at the end of the function (for troubleshooting purposes). If you are running a script, any variables within the script are already available ...

symstr = "1 + S + S^2 + cos (S)" Display symstr as a formula without evaluating the operations by using displayFormula. S in symstr is replaced by its value. displayFormula (symstr) 1 + e 2 π i + e 2 π i 2 + cos ( e 2 π i) To evaluate the strings S and symstr as symbolic expressions, use str2sym. S = str2sym (S) S = 1. Input argument of 'input' function should be a text. Your code shows that your input arguments of 'input' function consists of three string. Just combine them as below. Theme. Copy. for ii = 1:n. x = input ( ['What is the orientation of molecule ' num2str (ii) 'in the x-direction?']); end. Then it will work.Numeric conversions print only the real component of complex numbers. If you specify a conversion that does not fit the data, such as a text conversion for a numeric value, MATLAB ® overrides the specified conversion, and uses %e. Example: '%s' converts pi to 3.141593e+00.In MATLAB, you can assign values to variables by typing the variable name in the Command Window, followed by an equal sign (=) and the desired value. When you execute these commands, MATLAB will create new variables in your workspace, such as x, A, and I.If you want to get all of the output values, you will have to call answer in the following way: [out1,out2,out3] = answer (1,2); This will place the value d in out1, the value e in out2, and the value f in out3. When you do the following: answer (1,2)Numeric conversions print only the real component of complex numbers. If you specify a conversion that does not fit the data, such as a text conversion for a numeric value, MATLAB ® overrides the specified conversion, and uses %e. Example: '%s' converts pi to 3.141593e+00.if j ~= length(B{i}) fprintf(' or '); % Print 'or' if there are more to come end end fprintf(' '); % New line end The main bit of your question was how to assign each number to a letter (note: I know you asked to assign each one to a variable, but I don't think that's quite what you want.).

matlab is intercepting the printf function in your CUDA kernel, and replacing it with it’s own printf function (mexPrintf) which is not usable within a CUDA kernel. This may be of interest: mathworks.com Forward CUDA printf output to the MATLAB console - MATLAB Answers - MATLAB... Forward CUDA printf output to the MATLAB console.s = struct (field,value) creates a structure array with the specified field and value. The value input argument can be any data type, such as a numeric, logical, character, or cell array. If value is not a cell array, or if value is a scalar cell array, then s is a scalar structure. For instance, s = struct ('a', [1 2 3]) creates a 1-by-1 ...The colon is one of the most useful operators in MATLAB ® . It can create vectors, subscript arrays, and specify for iterations. example. x = j:k creates a unit-spaced vector x with elements [j,j+1,j+2,...,j+m] where m = fix (k-j). If j and k are both integers, then this is simply [j,j+1,...,k]. example. x = j:i:k creates a regularly-spaced ...Sep 20, 2017 · Read what the MATLAB documentation has to say about this: "A frequent use of the eval function is to create sets of variables such as A1, A2, ..., An, but this approach does not use the array processing power of MATLAB and is not recommended. The preferred method is to store related data in a single array" I run the Fortran 77 executable file from MATLAB and in the cmc window I get the result shown in the figure below. where "AA" (=1) and "BB" (=2) are the names of the input data, "A" is the name of the output 3X3 matrix, I am trying to create variables in Matlab such that their names match the names that are visible in the window, and their the values coincided with the values that are visible ...filename = 'mydata'; print ('-f3', '-dpsc', filename); (Because a filename is specified, the figure will be printed to a file.) Specifying the Model to Print. To print a noncurrent Simulink model, use the option with the title of the window. For example, this command prints the Simulink window titled.

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Boolean numbers are either "TRUE" or "FALSE", represented in MATLAB by a 1 and a 0 respectively. Boolean variables in MATLAB are actually interchangable with doubles, in that boolean operators can be performed with arrays of doubles and vice versa. Any non-zero number in this case is considered "TRUE". Most of the rational operators …load (filename,"-mat") treats filename as a MAT-file, regardless of the file extension. load (filename,"-mat",variables) loads the specified variables from filename. example. S = load ( ___) loads data into S, using any of the input argument combinations in previous syntaxes. If filename is a MAT-file, then S is a structure array; if filename ... To programmatically exit the loop, use a break statement. To skip the rest of the instructions in the loop and begin the next iteration, use a continue statement.. Avoid assigning a value to the index variable within the loop statements. The for statement overrides any changes made to index within the loop.. To iterate over the values of a single column vector, first …Data=xlsread ( [Name,'.xls']); assignin ('base',Name,Data); sprintf ('%s',Name) You know the name of the variable. You need to use this variable. You also want to use the variable name in its string format. The name sounds very irregular. You have to specify it manually. Why can't you also specify the string since you have already …

Numeric conversions print only the real component of complex numbers. If you specify a conversion that does not fit the data, such as a text conversion for a numeric value, MATLAB ® overrides the specified conversion, and uses %e. Example: '%s' converts pi to 3.141593e+00.Here are three ways to display multiple variable values on the same line in the Command Window. Concatenate multiple character vectors together using the [] operator. Convert any numeric values to characters using the num2str function. Use disp to display the result.Dec 6, 2011 · print in a loop . Learn more about matrix, matrix array, for loop Description example disp (X) displays the value of variable X without printing the variable name. Another way to display a variable is to type its name, which displays a leading " X = " before the value. If a variable contains an empty array, disp returns without displaying anything. Examples collapse all Display Variable ValuesTo specify the portion of the worksheet you want to write to, use the Range name-value pair argument. By default, writetable writes the table variable names as column headings in the spreadsheet file. filename = 'patientdata.xlsx' ; writetable (T,filename, 'Sheet' ,1, 'Range', 'D1') Write the table T without the variable names to a new sheet ...Formatted output. The function. fprintf (fstr, variable_list) prints out the values of the variables in variable_list according to the format described in the string fstr. The format conventions follow the C language function fprintf. The format string fstr should contain a format descriptor for each variable in variable_list .I have two files with similar data and I want to extract them into a file, and I also want to print the same line for the same data in the two files Please help me F1 = fopen( 'E.txt' );You can do that using a regular table but you cannot use ‘f(x)’ as a variable name because it is not a valid MATLAB variable name. ... To do it without the table functions, you would have to use a couple of fprintf statements to print it to the Command Window: Data = [ 2 1 -0.307799 0.00. 3 0.544459 0.0153522 0.01 ...Copy. C = num2str (A) Or, if you want an explicitly scientific notation form... Theme. Copy. D = sprintf ('%10e',A) Honestly, I don't think any of these ways are any easier to deal with for whatever are your purposes. But whatever floats your boat.Here are three ways to display multiple variable values on the same line in the Command Window. Concatenate multiple character vectors together using the [] operator. Convert any numeric values to characters using the num2str function. Use disp to display the result.To have the MATLAB Command Window show hex representations of all types of variables, not just integer and fixed-point, the format command can be used. format hex a = int8([35,-3])

Jan 12, 2012 · Printing values to the command window. how does one print a value of a variable to the command window? You got it backwards. Typing the variable name first and then running the code will likely get you a "variable name not defined" error message.

To view the variables in the workspace, use the Workspace browser. To view the contents of MAT-files, use the Details Panel of the Current Folder browser. In MATLAB Online™ , to view the contents of MAT-files, preview them by clicking the Preview button to the right of the MAT-file in the Files browser.how to use fprintf to print strings and words. Learn more about fprintf . Dear All, I would like to ask how I would get fprintf to produce the following where A = [{'a'} {'b'} {'c'}], B = [1 2 3], >> a 1 b 2 c 3 Thank you ... Find the treasures in MATLAB Central and discover how the community can help you! Start Hunting!Printing values to the command window. how does one print a value of a variable to the command window? You got it backwards. Typing the variable name first and then running the code will likely get you a "variable name not defined" error message.Name of MAT-file, specified as a character vector or string scalar. The file name can include the full, relative, or partial path. For example, whos -file myFile.mat lists all variables in the MAT-file named myFile.mat. The whos -file filename command does not return the sizes of any MATLAB objects in file filename. Data Types: char | string. I am trying to print multiple variables to the command window with accompanying text. disp does not seem to want to work, nor does fprintf. Does anyone …To define the variable, type the following into the MATLAB command window: s = tf('s') s = s Continuous-time transfer function. Recall the polynomial given above: (4) To represent this in MATLAB, type the following into the MATLAB command window: ... Printing. Printing in MATLAB is pretty easy. Just follow the steps illustrated below: Macintosh.To define the variable, type the following into the MATLAB command window: s = tf('s') s = s Continuous-time transfer function. Recall the polynomial given above: (4) To represent this in MATLAB, type the following into the MATLAB command window: ... Printing. Printing in MATLAB is pretty easy. Just follow the steps illustrated below: Macintosh.Name of MAT-file, specified as a character vector or string scalar. The file name can include the full, relative, or partial path. For example, whos -file myFile.mat lists all variables in the MAT-file named myFile.mat. The whos -file filename command does not return the sizes of any MATLAB objects in file filename. Data Types: char | string. If you are using the variable browser then at the top of the area you have the ability to change the format for that one variable (until you have close that browser on the variable), or you can look in Preferences to adjust the default used by the variable browser. Again, you will not be able to see the last meaningful digit this way.

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3 Jun 2017 ... Now, I am going to print the result of some mathematical operations applied on some variables, on command window using the same command. I have ...Select a Web Site. Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .example. T = table ('Size',sz,'VariableTypes',varTypes) creates a table and preallocates space for the variables that have data types you specify. sz is a two-element numeric array, where sz (1) specifies the number of rows and sz (2) specifies the number of variables. varTypes specifies the data types of the variables. example.Syntax. [ X, Y] = meshgrid ( x, y); Step (3) − Define a function in two variables that you need to plot. Step (4) − Create a plot of the function. Hence, plotting a function …Description. function [y1,...,yN] = myfun (x1,...,xM) declares a function named myfun that accepts inputs x1,...,xM and returns outputs y1,...,yN. This declaration statement must be the first executable line of the function. Valid function names begin with an alphabetic character, and can contain letters, numbers, or underscores.Create 4 variables: len, wid, txt, area; In 'len' and 'wid' stores two numbers 2 and 3 respectively; Perform multiplication of 'len' and 'wid' and store the result in the variables 'area' In 'txt' store the character array 'The area is: ' Use disp() function to display 'txt' and 'area' together.Description. true is shorthand for the logical value 1. T = true (n) is an n -by- n matrix of logical ones. T = true (sz) is an array of logical ones where the size vector, sz , defines size (T). For example, true ( [2 3]) returns a 2-by-3 array of logical ones.You can use the CHAR method for symbolic objects to convert them to strings and the FPRINTF function to print the strings to the screen. Here's an example: syms x y z; %# Define symbolic variables eq = 2*x+3*y+4*z; %# Create symbolic equation fprintf ('The equation for the rectifying plane is: %s = D.\n',char (eq)); And this will display the ...Accepted Answer: Star Strider. ELM_cds.m. class_data.txt. test_data.txt. I have MATLAB code and output is saved in variable and i want to save in csv file. And there is no example of that in doc of MATLAB. I have attached the code and variable name is"TY". 0 Comments.Accepted Answer: Walter Roberson. I want to prompt for a file name, e.g. "4.dat", "6.dat", etc. I want to store it as a string to be used both to open that file -- e.g. … ….

Learn more about align variables in text file . I am using fprinf to save results in a text file. However, my results are not aligned. This is how my text file looks like right now. ... MATLAB Data Import and Analysis Data Import and Export Standard File Formats Text Files. Find more on Text Files in Help Center and File Exchange. TagsWhen you specify fewer output variables than the number of outputs returned by the expression, MATLAB assigns the first N outputs to those N variables and ignores any remaining outputs. In this example, MATLAB assigns C{1,1:3} to the variables c1 , c2 , and c3 and ignores C{1,4:6} .matlab is intercepting the printf function in your CUDA kernel, and replacing it with it’s own printf function (mexPrintf) which is not usable within a CUDA kernel. This may be of interest: mathworks.com Forward CUDA printf output to the MATLAB console - MATLAB Answers - MATLAB... Forward CUDA printf output to the MATLAB console.thanks but i still want to keep the other legend and it wont let me make 2 of them. but i think i found an okay way of doing it by adding a blank subplot, turning the axis off and then adding a text box into the middle of the blank plot.Syntax disp (X) Description example disp (X) displays the value of variable X without printing the variable name. Another way to display a variable is to type its name, which displays a leading “ X = ” before the value. If a variable contains an empty array, disp …Read what the MATLAB documentation has to say about this: "A frequent use of the eval function is to create sets of variables such as A1, A2, ..., An, but this approach does not use the array processing power of MATLAB and is not recommended. The preferred method is to store related data in a single array"There are three ways to display multiple variables on the same line in the Command Window. (1) Concatenate multiple strings together using the [] operator. Convert any numeric values to characters using the num2str function. ... Matlab: Printing literally using fprintf. 2. print in single line in matlab command line. 1. how to printf variable ...If you want to see the variables in a function workspace, then you have two main ways to achieve this: return some variables (i.e. output arguments) from a function to another workspace. use the debugging tools to view inside any workspace. This is explained in the documentation too: "By default, the Workspace browser displays the base workspace.If you want to see the variables in a function workspace, then you have two main ways to achieve this: return some variables (i.e. output arguments) from a function to another workspace. use the debugging tools to view inside any workspace. This is explained in the documentation too: "By default, the Workspace browser displays the base workspace. How to print a variable in matlab, [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1]