How to print a variable in matlab

How to print a variable in matlab

How do I print some text in matlab in plot? Ask Question Asked 8 years, 6 months ago Modified 8 years, 6 months ago Viewed 955 times 0 In Matlab, I want to print as the following code at plot in Matlab. the code lise this, for i=1:100 print ("%d",i); end How do I print some text in Matlab in plot? matlab Share Improve this question Followhow to print variables in command window with... Learn more about matlab MATLAB A=[1, 3,4] I want to print size of A is length(A) and A is print(A , length(A))Instead, the row %d consumes the first entry in r, the a = %d format entry consumes the second element in r, so "row 1, a = 2" gets printed out. Then next cycle, the row %d moves on to the next available item from memory, and having finished r, moves on to a, so you end up with "row 7, a = 13" as the second output line. The result is much as-if ...In matlab returning an output is done by setting the variable, if you never set it, it will not be returned % this example shows how you can return or not return outputs % with respect to some calculation % the actual returned values are meaningless,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. Another way used in MATLAB is to type the name of the variable in the command window after the variable is assigned a value; doing this will display the name of the variable also ...as a constant can be added onto a vector automagically. If there's something else going on in the loop that really must use the loop, then you want to first "preallocate" the storage for the result and then populate the array... Theme. Copy. data=zeros (N,1); % preallocate array/vector of Nx1 elements. for i = 1:N.Description. 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. Save a specific figure by passing its object variable to print. fig = figure; plot(1:10) print(fig, 'MySavedPlot', '-dpng') ... In MATLAB Online™, print only prints to PDF. For additional file format options, save the figure to a file by specifying a filename. When MATLAB is in no display mode, all Simulink printing functionality, including ...Do not change the type of the variables during the code. Better perform all calculations with numbers at first and display it once at the end: function price = fare(d, a) if d <= 1. ... MATLAB Language Fundamentals Data Types Time Series Time Series Objects. Find more on Time Series Objects in Help Center and File Exchange. Tags formatting;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.2. Type the variable name to print the string value as well as the variable name you just typed. For example, typing “name” prints the line “name='James'” in the Command window.Oct 4, 2016 · Accepted Answer. If your integer values are small enough to fit within double then you can use. If your integer values are small enough to fit within int64 (signed) then you can use. fprintf (id, '%d %f ', data {:}); %expand the cell. There is no way to direct output to the Command Window from a live script that you run in the Live Editor. You can run the live script from the command line; e.g., if your file is myScript.mlx, then. >> myScript. will indeed output to the Command Window (and separate figure windows). But again there's no way to redirect output from the Live Editor.how to print variables in command window with... Learn more about matlab MATLAB A=[1, 3,4] I want to print size of A is length(A) and A is print(A , length(A))2. Link. Answered: Richard Zapor on 31 Aug 2023. Accepted Answer: Stephan. I need to have the display window have a "%" after the rest of my printing. My code looks likes this: fprintf ('Percent Error: %0.8f %', percentError); It is currently printing "Percent Error: 0.03696863 ", but I need it to print "Percent Error: 0.03696863%".Learn more about fprintf using a variable MATLAB I set this varaible number first thing at the top of the scrip. VTL="5kV"; After it does the calculation, I want to use a …Copy. %If you want to display y. fprintf ('The value is %.2f MPH \n',y); %here 2 means up to 2 floating points, if you need more for an exact value, change the value. 6 Comments. Show 5 older comments. KALYAN ACHARJYA on 30 Jul 2018. Edited: KALYAN ACHARJYA on 30 Jul 2018.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 ...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 ... fprintf ('The highest point of the mountain is : %d feet. ', hp); Just like with the C language, if you're familiar with that. Or, if hp is a floating point number instead of an integer, use %f instead of %d: fprintf ('The highest point of the mountain is : %.2f feet. ', hp); That is the correct behavior.My code seems to work fine, but I am looking for a way to make the output display nicer. I'd like it to all print on one line with d(1) as the rightmost digit. I have found several threads on printing multiple variables to one line, but only for codes where the exact variables being printed are known in advance. Here is the relevant code.For each element that is changed in any of the input variables you need to build a name. You can construct the loop to either loop through and generate all the names first and store in cellstr or string array or, just build the filename inside the overall calculation loop at the point you're ready to use it.There is no way to direct output to the Command Window from a live script that you run in the Live Editor. You can run the live script from the command line; e.g., if your file is myScript.mlx, then. >> myScript. will indeed output to the Command Window (and separate figure windows). But again there's no way to redirect output from the Live Editor.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: .To create a new variable, enter the variable name in the Command Window, followed by an equal sign ( =) and the value you want to assign to the variable. For example, if you run …As π is a floating point number declare a long variable then assign 'pi' to that long variable you will get the value. Eg:- ... Unfortunately it seems to get to within MATLAB's precision after just one iteration - I'd have like to see how it converges as afunction of iteration (summation term). ... prints out "pi".Field Width. Minimum number of characters to print. The field width operator can be a number, or an asterisk (*) to refer to an input argument.When you specify * as the field width operator, the other input arguments must provide both a width and a value to be printed. Widths and values can be pairs of arguments or pairs within a numeric array.im trying to write a code for a function that prints (outputs) a couple of variables . basically what im trying to do is similar to this c++ code: cout << " variable a equals: " << a << "varaible...Copy. % code. TotalSegments=vertcat (Seg1,Seg2,Seg3,Seg4,Seg5); end. The problem is that the variable number_of_segments changes for each file. I would like the script to output my result. My issue is that I do not know how to print this in MatLab. Here is what I have attempted (This code does NOT work) Theme.If you modify a class you modify the functions of tha class. If you are working on a specific function you can set a breakpoint. The execution stops at that point leaving you in debug mode ("K" prompt in command window). Now you can execute "who" and see the variables in the function as defined up to this point.Feb 24, 2017 · Answers (2) The return is 6.5003e-05 and the standard deviation is 0.0207. read the fprintf help page to get printing options based on the number formats. It means that your variable (s) me and/or st are structures instead of numerical values. Check it. Reader Dustin L. tips us off on how to create your own Windows environment variables to give you quick access to your favorite folders. Reader Dustin L. tips us off on how to create your own Windows environment variables to give you quick a...For example, MATLAB uses 3 digits to display int8 data types (for instance, -128:127). Setting the output format to short or long does not affect the display of integer-type variables. Integer-valued, floating-point numbers with a maximum of 9 digits do not display in scientific notation.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 ...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. ',char (eq)); And this will display the ...There are different ways to print outputs in the command window in Matlab. We can use the fprintf() or disp() methods. Use the disp() Method to Print Output in Command Window in Matlab. The disp() method displays the value of a variable in Matlab. For instance, disp(a) will display the value of the variable a without the variable name.I am running a loop, in which variables are calculated. It would be useful to be able to see the current values of these variables. It is not useful to print them, because other parts of the loop are printing a lot of text. Also, on the Workspace tab, the values do not display until the end of the loop.Accepted Answer. If your integer values are small enough to fit within double then you can use. If your integer values are small enough to fit within int64 (signed) then you can use. fprintf (id, '%d %f\n', data {:}); %expand the cell.Community Treasure Hunt. Find the treasures in MATLAB Central and discover how the community can help you! Start Hunting!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 have any idea how i can do this. I am trying to print code to look like the following, inserting variables in between text. print ('The minimum value is', minY1 (2), 'which occurs at x = ', minX);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. Apr 7, 2017 · Learn more about matlab, precision, rounding, mat2str, num2str MATLAB I have both scalar and matrices that I want to print out to the workspace. I'm using num2str() and mat2str() but I am finding that there are some slight precision differences between using format l... Print the value of variables by using fprintf () commands. Use an fprintf () command as shown below to see the value of variable 'x' in the command window every time this line is executed. Theme. Copy. fprintf ('x = %.5f \n', x) % [1] [2] % [1] this will show 5 decimal places. % [2] this will add a new line after showing the variable value.Modify x-Axis Label After Creation. Label the x -axis and return the text object used as the label. plot ( (1:10).^2) t = xlabel ( 'Population' ); Use t to set text properties of the label after it has been created. For example, set the color of the …Theme. Copy. A = T; B = unitFrom; C = result; D = unitTo; Where A is my input temperature (for example 23), B is 'Celsius', C is the converted temperature (in this example 296,15) e D is 'Kelvin'. I have a program where the user is asked to define A. B, and D and it will compute C. Finally, I would like to print the all conversion in a string ...The data type (class) must be a built-in MATLAB ® numeric type. For other classes, the static rand method is not invoked. For example, rand(sz,'myclass') does not invoke myclass.rand(sz). Size arguments must have a fixed size. See Variable-Sizing Restrictions for Code Generation of Toolbox Functions (MATLAB Coder).Like Colin mentioned, one option would be converting the numbers to strings using num2str, concatenating all strings manually and feeding the final result into disp.Unfortunately, it can get very awkward and tedious, especially when you have a lot of numbers to print.. Instead, you can harness the power of sprintf, which is very similar in …I know the disp command shows the values without the variable name and the fprintf command allows you to print a string with variables. 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. thanks!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.In this video, we will see multiple ways to output a variable in the MATLAB environment. The details of disp() and fprintf() function has been discussed.s = summary (T) returns a structure, s, that contains a summary of the input table or timetable. Each field of s is itself a structure that summarizes the values in the corresponding variable of T. If T is a timetable, then s also has a field that summarizes the row times of T. example. summary (A) prints a summary of the categorical array A ... Jul 11, 2017 · Answered: Steven Lord on 11 Jul 2017. The array size need to monitor. It's simple and effective with size (x) but no name or location. It would be nice to print if out this way: Theme. Copy. fprintf (' size (xyz) at location 123 is [%d %d %d] ',size (xyz)); because size (xyz) is "unknown" and how to write [%d %d %d] to print size (xyz) in one ... I know the disp command shows the values without the variable name and the fprintf command allows you to print a string with variables. But I'm trying to sort variables …@HansHirse's answer is excellent. Another alternative using repmat below. Could have compacted the code a bit but left in its current form for accessibility. ** Alternative Approach: ** repmatFor example, to print a double-precision value in hexadecimal, use a format ... Explicitly convert MATLAB double-precision variables to integral values for use ...For each element that is changed in any of the input variables you need to build a name. You can construct the loop to either loop through and generate all the names first and store in cellstr or string array or, just build the filename inside the overall calculation loop at the point you're ready to use it.how to print variables in command window with... Learn more about matlab MATLAB A=[1, 3,4] I want to print size of A is length(A) and A is print(A , length(A))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.. A variable in simple terms is a storage place that has some memory allocated to it. Basically, a variable used to store some form of data. Different types of variables require different amounts of memory and have some specific set of operations that can be applied to them. The Matlab workspace store all the variables that you create or …I know the disp command shows the values without the variable name and the fprintf command allows you to print a string with variables. 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. thanks!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: .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.Theme. Copy. A = T; B = unitFrom; C = result; D = unitTo; Where A is my input temperature (for example 23), B is 'Celsius', C is the converted temperature (in this example 296,15) e D is 'Kelvin'. I have a program where the user is asked to define A. B, and D and it will compute C. Finally, I would like to print the all conversion in a string ...Feb 15, 2015 · I am using the fprintf function to display a column of values from a matrix assigned "Summary1." I would like to assigned a variable "a" to whatever the fprintf command displays. Using the code bel... 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.Trying to display text and variable in a single... Learn more about sentence with variable, text output with varyable desired output: The answer is: 800 % I am trying to display this sentence in a single line of output in the command window. thankyouDec 13, 2015 · how to print variables in command window with... Learn more about matlab MATLAB A=[1, 3,4] I want to print size of A is length(A) and A is print(A , length(A)) 2. Link. Answered: Richard Zapor on 31 Aug 2023. Accepted Answer: Stephan. I need to have the display window have a "%" after the rest of my printing. My code looks likes this: fprintf ('Percent Error: %0.8f %', percentError); It is currently printing "Percent Error: 0.03696863 ", but I need it to print "Percent Error: 0.03696863%".If you want to create a MATLAB array of numbered symbolic variables, you can use the sym or the syms syntax. Use sym to create an array of many numbered symbolic variables. Clear the workspace. Create a row vector containing the symbolic variables a 1, …, a 10 and assign it to the MATLAB variable A. Display the variable in the MATLAB workspace.Description. val = getenv (varname) returns the value of the operating system environment variable varname. If varname does not exist, then getenv returns an empty character vector. On UNIX ® platforms, the shell you use to start MATLAB ® determines the operating system environment. For example, on a Mac platform, starting MATLAB from the ...Answers (2) Star Strider on 11 Nov 2019. Assuming ‘current_player’ is a character array or string variable: Theme. Copy. move = input (sprintf ('Player %s, choose column 1-7 to drop a chip: ', current_player)); Otherwise, choose the appropriate format descriptor in formatSpec for the ‘current_player’ variable class.1. -Pprinter specifies the printer name. 2. -dformat specifies the output format, such as -dpng for PNG files. 3. filename is the name of the file where the figure will be saved. Printing To A PrinterDescription. 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. 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).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. ',char (eq)); And this will display the ...Erik, when you take sample code and use it inside your own code, you have to change the variable names in the sample code to the actual variable names that you are using in the code you're inserting the sample code into.For example, to print a double-precision value in hexadecimal, use a format ... Explicitly convert MATLAB double-precision variables to integral values for use ...Especially if your data in the array have some meaning other than just entries of a matrix in linear algebra sense. # name your variables so that your grandma could understand what they store A. ('supdamp') = supdamp A. ('clgvlv') = clgvlv ... fieldsOfA = fieldnames (a) for n = 1 : numel (fieldsOfA ) text (1, n, fieldsOfA {n}) end. Share.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.Description. 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.The natural logarithm function in MATLAB is log(). To calculate the natural logarithm of a scalar, vector or array, A, enter log(A). Log(A) calculates the natural logarithm of each element of A when A is a vector or array.One of the most promising applications of 3D printing is the customization of everyday objects to the most personal and variable thing we possess—our bodies. A new example of this is the Blizzident toothbrush, which is made possible by two ...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.Instead, the row %d consumes the first entry in r, the a = %d format entry consumes the second element in r, so "row 1, a = 2" gets printed out. Then next cycle, the row %d moves on to the next available item from memory, and having finished r, moves on to a, so you end up with "row 7, a = 13" as the second output line. The result is much as-if ...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.For example, MATLAB uses 3 digits to display int8 data types (for instance, -128:127). Setting the output format to short or long does not affect the display of integer-type variables. Integer-valued, floating-point numbers with a maximum of 9 digits do not display in scientific notation.DEPTH = 10; % Depth changes based on user input. title (sprintf ('Numbers at a depth of %.0f meters', DEPTH)) % For the figure name (not title): figure ('Name', sprintf ('Numbers at a depth of %.0f meters', DEPTH)) I prefer %.0f rather than %d to convert integers because 1) if DEPTH isn't an integer, %d will print out scientific notation and 2 ...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 ... 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 ...When you assign symbolic variables to an expression, the symbolic expression is displayed in ASCII format. Add Accents. To add accents to symbolic variables in live scripts, append the corresponding suffix to the variable using an underscore (_). For example, create symbolic variables with one dot and two dots over the symbol x. Use these ...DEPTH = 10; % Depth changes based on user input. title (sprintf ('Numbers at a depth of %.0f meters', DEPTH)) % For the figure name (not title): figure ('Name', sprintf ('Numbers at a depth of %.0f meters', DEPTH)) I prefer %.0f rather than %d to convert integers because 1) if DEPTH isn't an integer, %d will print out scientific notation and 2 ...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 ...Random Number Generation. Use the rand, randn, and randi functions to create sequences of pseudorandom numbers, and the randperm function to create a vector of randomly permuted integers. Use the rng function to control the repeatability of your results. Use the RandStream class when you need more advanced control over random …Accepted Answer. Of course there is no correct answer because these are binary floating point values, but here is one solution that gives the "least unexpected" output. It assumes double values and upto 15 significant figures. chr = reshape (sprintf ('%.14e',abs (arr)), [],numel (arr)).';I'm at the beginning with the MATLAB software ,and I have two questions: 1) If I want to print a matrix, preceeded by a string, using the fprintf command, how can I do? For example, to print a ... Print a vector with variable number of elements using sprintf. 3. Using sprintf in Matlab? 0. How to write a matrix output with a string in Matlab. 3.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. 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 ...There are different ways to print outputs in the command window in Matlab. We can use the fprintf() or disp() methods. Use the disp() Method to Print Output in Command Window in Matlab. The disp() method displays the value of a variable in Matlab. For instance, disp(a) will display the value of the variable a without the variable name.Data Type Identification. Determine data type of a variable. MATLAB ® has many functions to identify the data type of a variable or to determine whether a variable has a specific data type. Use these functions when calling or writing code that depends on variables having specific data types. Im trying to change the title of a plot with respect to a parameter the user will enter in the function. First i call a string for example. Theme. Copy. str = sprintf ('just an example of %d that isnt working', variable) title (str) However only the 'just an example of' is printed out on the title of the plot, everything after and including the ...Description. 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.a1 = textscan (num2str (varargin {i}), '%s %s', 'delimiter','.'); There probably is a more efficent way to do this. Accedi per commentare. Just put the name of the variable on the line of code without anything else, no semicolon, etc. For example if your variable is myVar, DO NOT DO.3.1 User Input. The simplest way to request information from the user of a MATLAB program is with the function, input() . This function displays a prompt ...DEPTH = 10; % Depth changes based on user input. title (sprintf ('Numbers at a depth of %.0f meters', DEPTH)) % For the figure name (not title): figure ('Name', sprintf ('Numbers at a depth of %.0f meters', DEPTH)) I prefer %.0f rather than %d to convert integers because 1) if DEPTH isn't an integer, %d will print out scientific notation and 2 ...When 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} .Pretty Print Long Expressions Solve this equation, and then use pretty to represent the solutions in the format similar to typeset mathematics. For better readability, pretty uses abbreviations when representing long expressions.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 ...The solve function returns a structure when you specify a single output argument and multiple outputs exist. Solve a system of equations to return the solutions in a structure array. syms u v eqns = [2*u + v == 0, u - v == 1]; S = solve (eqns, [u v]) S = struct with fields: u: 1/3 v: -2/3. Dec 13, 2015 · how to print variables in command window with... Learn more about matlab MATLAB A=[1, 3,4] I want to print size of A is length(A) and A is print(A , length(A)) 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. ',char (eq)); And this will display the ...While you can specify the precision in a formatting operator for input text (for example, in the %s operator), there is usually no reason to do so. If you specify the precision as p, and p is less than the number of characters in the input text, then the output contains only the first p characters.. Field Width. The field width in a formatting operator is a nonnegative integer that specifies ...