matlab save must be a text scalar

"Error using save Must be a string scalar or character vector." - but As you are using double conversion function "double (. I am trying to extract the first four values from my signal and than calculate the values of S1,S2,S3,S4 and than apply the rainflow conditions that is abs(s2-s1)>=abs(s2-s3),abs(s3-s4)>=abs(s2-s3); if this is true than we could extract that point otherwise we move on. Choose a web site to get translated content where available and see local events and offers. Save variables from workspace to file - MATLAB save - MathWorks Import several structures from one matrix .mat file This is bizarre. loop, initialize the value of i and then proceed to assignment. Format data into string or character vector - MATLAB sprintf - MathWorks Let me repeat the essential part: "load" is not a defined variable. what is n in your particular code, i have gotten the same error. Warning: Input arguments must be scalar. - MATLAB Answers - MATLAB Central Then run the code again until it stops at the error. Call the anonymous function using the handle. Asking for help, clarification, or responding to other answers. It is unclear from your post what the data type of variable "S" is. [states how to define a string scalar but not what one is]) and still can not wrap my head around what is meant. Reading text files, error using load MATLAB - Stack Overflow And where can I add filepath? and the next one till I finish .So that is what I want to do. Choose a web site to get translated content where available and see local events and offers. Text to convert to a function handle, specified as a function name or a Find the treasures in MATLAB Central and discover how the community can help you! @Prateek Srivastava: What do you expect these to do? str = "Hello, world". I'm getting the error when I run the following line: where n is my loop index. Rather make a character vector that contains the name of the variable to store: Thanks for contributing an answer to Stack Overflow! function. I am not quite sure what you are trying to achieve by the command -, https://www.mathworks.com/help/matlab/ref/load.html. At the command prompt, call the diceRoll function. Best Answer You need to enclose the variable names with qoutations like this: save ( [ 'data/test' ,num2str (n), '.mat' ], 'U', 'U_old', 'dt' ); Related Solutions : = = = [ 'synthetic_data' num2str ( 1) '.mat'] ;save (filename, 'Z'); % Z is already residing in your workspace If the operation is not successful, mkdir throws an error to the Command Window. Save matrix with specific file name matlab - Stack Overflow Besim Sen on 9 Jun 2021 thanks broo Christoph on 19 Jun 2012 hi namrata, you should check if m1 is a scalar. If so can you please attach that as well? Slop Equation example for finding a character vector or a string scalar error. But the error is telling you that "S" is NOT a structure. The variable U is an 889x4 matrix, U_old is the same size, and dt is a single float. save problem: -STRUCT must be the name of a scalar structure variable 2) Remove the '-struct' argument from the save command. example mkdir parentFolder folderName creates folderName in parentFolder. Christoph on 19 Jun 2012. hi namrata, you should check if m1 is a scalar. You can also select a web site from the following list. Scalar in computer programs usually means "exactly one item". Accelerating the pace of engineering and science, MathWorks es el lder en el desarrollo de software de clculo matemtico para ingenieros, character vector representation of anonymous function, string scalar representation of anonymous function. Stephen on 14 Sep 2018 0 It is unclear from your post what the data type of variable "S" is. MathWorks is the leading developer of mathematical computing software for engineers and scientists. When I then use the save function it overwrites this and just leaves a file with only the data. Thank you David and Walter for further explaining what a Scalar String means. They both work here (I also replaced deprecated DATESTR with the recommended CHAR). Trial>> fatiguelife Error using load Must be a string scalar or character vector. Chances are m1 is either a real number with some fractional part, or a matrix, or a negative number, or some other illegal entry. function to a function handle. Unable to complete the action because of changes made to the page. If parentFolder does not exist, MATLAB attempts to create it. Is the signal in the .txt file? Avoid to use the names of important Matlab functions as local variables. my mistake,actually I changed the name from. How to save a matrix as text file using "save" without scientific Make new folder - MATLAB mkdir - MathWorks India Can I just convert everything in godot to C#. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Unable to complete the action because of changes made to the page. Text in String and Character Arrays - MATLAB & Simulink Where in the Andean Road System was this picture taken? Based on your location, we recommend that you select: . Currently, MATLAB is trying to access a variable called. Other MathWorks country sites are not optimized for visits from your location. What Is A Scalar String? - MATLAB Answers - MATLAB Central 1 Translate Hover over m1 when you've stopped there at a breakpoint. Workspace variables are not available to the MathWorks is the leading developer of mathematical computing software for engineers and scientists. You want to access the element not via a 'load' command but using vector indexing. fh = str2func (str) constructs a function handle, fh, from a function name or text representation of an anonymous function. It is not defined for numeric values, and it is not defined for symbolic expressions. character vector that are necessary to evaluate the expression and that are not Convert the character vector to a function handle. You need to enclose the variable names with qoutations like this: Do NOT concatenate paths/directories. A function handle that stores variable values does not retain its original I am not familiar with this, but if it's written there, it's the way to go . Error: Error using save Must be a string scalar or character vector. Append to the destination instead of overwriting. Based on your location, we recommend that you select: . Other MathWorks country sites are not optimized for visits from your location. Thanks a lot for your guidance. ans =. Reload the page to see its updated state. Strings are useful for some purposes, no doubt.. Scalar in computer programs usually means "exactly one item". )", so the problem must be that the number is not scalar. MATLAB: "Error using save Must be a string scalar or character vector If you include workspace variables in your character vector, The eval function does have access to the local function, so d2 uses the overloaded randi and always returns 1. I generated a struct file and tried to save it, but Matlab occurs error: The argument to -STRUCT must be the name of a scalar structure variable. https://www.mathworks.com/matlabcentral/answers/468531-what-is-a-scalar-string, https://www.mathworks.com/matlabcentral/answers/468531-what-is-a-scalar-string#comment_717544, https://www.mathworks.com/matlabcentral/answers/468531-what-is-a-scalar-string#comment_717545, https://www.mathworks.com/matlabcentral/answers/468531-what-is-a-scalar-string#comment_717554, https://www.mathworks.com/matlabcentral/answers/468531-what-is-a-scalar-string#comment_717574, https://www.mathworks.com/matlabcentral/answers/468531-what-is-a-scalar-string#comment_717588. Saving a matrix in Matlab in a folder different from the working directory? Does the "Scalar String" defintion mean single elements comprising of multiple strings, for example: "Todays" "Date" "Is" "June" "24th," "2019", A scalar string is simply a string that is not an array of stringssee, https://www.mathworks.com/help/fixedpoint/ug/code-generation-for-strings.html. Save a single matrix in a text file without header or any other information. Can someone please help me out? thanks a lot for your answer I now understand my mistake but after this when I am trying to write the rain flow script in order to reduce a spectrum of varying stress there is this error which is showing"Error using load Must be a string scalar or character vector.I am also attaching the script thanks in advance for your help. Invoke the function handles. 1 Answer Sorted by: 1 You need to dereference the cell array contents with curly braces, otherwise strcat returns a cell array of strings: for i=1:numel (source_file_names) source_file=strcat (source_dir,'/',source_file_names {i}); backup_file=strcat (backup_dir,source_file_names {i}); copyfile (source_file,backup_file); end Share anonymous function or a local function. example Based on your location, we recommend that you select: . For string arrays, a single piece of text is a 1-by-1 scalar, such as "text".The empty string "" and missing strings are special cases that also count as single pieces of text.. For character arrays, a single piece of text is a row vector, such as 'text'.An empty 0-by-0 char array '' is a special case that also counts as a single piece of text The value must be a character vector or a string scalar error | App And such file names are provided as string or char vector, as the error message tells you. This is bizarre. Hassan Ashraf on 28 Jun 2019 Vote 0 Commented: Hassan Ashraf on 28 Jun 2019 Accepted Answer: Steven Lord I am trying to save some files iteratively in a loop anf getting below error. anonymous function. Reload the page to see its updated state. In many programming languages, arrays and scalars are considered to be different data types. MathWorks is the leading developer of mathematical computing software for engineers and scientists. When I type this at the command line: I get the expected 'data/test1.mat' result. For example: s = "mystring"; Create a type from s. t = coder.typeof (s); Pass the type to fiaccel by using the -args option. https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_517993, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_517997, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518008, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518014, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518367, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#answer_297114, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518060, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518114, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518117, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518303, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518368, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#answer_297263, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518432, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518441, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518517, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518620, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518652, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_518668, https://www.mathworks.com/matlabcentral/answers/373874-error-using-load-must-be-a-string-scalar-or-character-vector#comment_519867.
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