Accelerating the pace of engineering and science. "Dynamically naming variables is not recommended", . Best Answer My guess at what you want: filestruct = load ( 'Vb1nicw.mat' ); fn = fieldnames(filestruct); for K = 1 : length ( fn) thisfield = fn {K}; tempvar = struct (thisfield, filestruct. But please help me with getting something like C{1}, C{2}.C{100}. Unable to complete the action because of changes made to the page. I want to do the same calculation hundreds of times and save the output with a variable name that changes with each loop. Follow 8 views (last 30 days) Show older comments Prakhar Deroliya on 21 Sep 2019 0 Link Translate Commented: Walter Roberson on 21 Sep 2019 i want to save each loop resust in varible of drought. Then this entire problem goes away. Other MathWorks country sites are not optimized for visits from your location. Other MathWorks country sites are not optimized for visits from your location. Just extract the required data into the variable. Reload the page to see its updated state. Unable to complete the action because of changes made to the page. Based on your location, we recommend that you select: . be useful. Thanks. This statement is called a _____________. Generate Variable Names with a Loop - MATLAB Answers - MathWorks 1 Link Dynamically naming variables is not recommended. Indexing is much simpler and much more efficient: Thanks for this method Stephen. How to make dynamic variable names (A1, A2, , An) with "for" loop Answered: rahul PAL on 30 Nov 2022 I am doing a test study in which I test the participants for three conditions. Select the China site (in Chinese or English) for best site performance. You may receive emails, depending on your. In MATLAB, a for loop begins with the statement indicating how many times the statements in the loop will be executed. Read this to know why: https://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval, It is really much easier to process a sequence of, files if the variable names are exactly the same for each. MATLAB: Saving workspace variables with different .mat file name using 6 children are sitting on a merry-go-round, in how many ways can you switch seats so that no one sits opposite the person who is opposite to them now? Where a blank is shown you must use correct English and simple statements to convey your answer. It should be something like: var_i, where 'i' is the current index of the loop. NFS4, insecure, port number, rdma contradiction help. Do physical assets created directly from GPLed, copyleft digital designs (not programs or libraries) acquire the same license? Are there any MTG cards which test for first strike? This is essentially what I am trying to do except for a lot more computation to find X: This obviously does not work since I cannot put a variable into the save path this way. Generate Variable Names with a Loop - MATLAB Answers - MathWorks . Okay great thank you. Select the China site (in Chinese or English) for best site performance. 3 Answers Sorted by: 12 Based on your comment, I suggest using a cell array. I am trying to implement this as Theme Copy for i=1:50 element_of_the_ensemble=i;%de 1 a 50 windX_in_the_node=vientoX_vector (:,element_of_the_ensemble); Segn su ubicacin geogrfica, recomendamos que seleccione: . I have to create a series of variable using a "for" loop. Find the treasures in MATLAB Central and discover how the community can help you! The error I get when I do the above is: Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 5. For example, if A1 through A10 contain scalars, use: Theme Copy A = zeros (1,10); % Not necessary, just much faster Thanks for contributing an answer to Stack Overflow! Therefore I agree with Guillaume. It will quickly become unmanageable and there are much better ways. matlab - For loop running over different variables - Stack Overflow However, considering that the answer will be a list of 401 values, perhaps they want a description instead of a list of numeric values. array. Accepted Answer Jan on 26 Dec 2012 39 Link Translate Edited: Jan on 24 Apr 2017 Please don't do this! 3. You can also select a web site from the following list. 1 Answer Sorted by: 0 You can exploit the dynamic field naming of the struct data type. saving variable inside for loop with auto naming, You may receive emails, depending on your. Accelerating the pace of engineering and science. Please reply. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Have you seen that the above section of code can only generate a new file name for every loop iteration but assigning the data i.e the variable temp to the .mat file fanme can't succesufly implemented. I am executing loop for k=1,2,5,6,100 E=produces column vector of different size; end I need to save 'E' for each value of k; Thanks Any help is appreciated! Though the loop index is not baked into the variable name as you want, this offers identical functionality. Did Roger Zelazny ever read The Lord of the Rings? I intend to go for a classification problem and i have to use 100 pairs of C(for X) and Y for creating SVM Model. MATLAB - changing variable name with each iteration? - Physics Forums Argument must contain a string. I have a large workspace and i want to save workspace variables that includes specific characters and letters. I want to use variable and call it in some other code. For this case, I think the problem is the syntax for save. In CP/M, how did a program know when to load a particular overlay? Save matrix with specific file name matlab, Filename with variables ( filename_L=10.mat), Difference between program and application, '90s space prison escape movie with freezing trap scene, Alternative to 'stuff' in "with regard to administrative or financial _______. You can also select a web site from the following list. You can also select a web site from the following list. Learn more about matlab, digital image processing MATLAB . You will need to do: save (fnSave, 'fnOpen'); % note the quotes Also, you may use weather {i} instead of char (weather (i)). Change variable name in a loop 825 views (last 30 days) Show older comments Yoshihiro on 4 Jun 2012 0 Edited: Stephen23 on 23 Nov 2022 Accepted Answer: Walter Roberson Hi, I have a problem with naming a variable during a for loop. Structs are much clearer than cells, if the data are related to a. and not to a numerical index. variables can be in one of the following forms. For example: You can then save foo to retain all your intermediate results. Learn more about save file . Accelerating the pace of engineering and science, MathWorks es el lder en el desarrollo de software de clculo matemtico para ingenieros. rev2023.6.27.43513. (thisfield)); outfile = [thisfield '.mat' ]; save (outfile, '-struct', 'tempvar' ); end How do I store enormous amounts of mechanical energy? It would be helpful if you provide the error message when it doesn't work. is that it forces you to write slow, complex, buggy code that obfuscates the code intent and makes debugging much harder: https://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval. be useful. windX_in_the_node=vientoX_vector(:,element_of_the_ensemble); windY_in_the_node=vientoY_vector(:,element_of_the_ensemble); matriz_a_enviarX_1_of_50=zeros(size(windX_in_the_node,1), 3); matriz_a_enviarX_1_of_50(:,1:2)=positions_reducida; matriz_a_enviarY_1_of_50=zeros(size(windY_in_the_node,1), 3); matriz_a_enviarY_1_of_50(:,1:2)=positions_reducida; matriz_a_enviarX_1_of_50(:,3)=windX_in_the_node; matriz_a_enviarY_1_of_50(:,3)=windY_in_the_node; Can someone please tell me if I can really automate this process? Unable to complete the action because of changes made to the page. Connect and share knowledge within a single location that is structured and easy to search. So, I am sorry if I am going to make mistakes. MathWorks is the leading developer of mathematical computing software for engineers and scientists. ", Drawing contours of polar integral function, R5 Carbon Fiber Seat Stay Tire Rub Damage. Have another look at my answer: did I use the same variable. If only you were not. MATLAB poiuy Feb 21, 2008 Matlab Variable Feb 21, 2008 #1 poiuy 11 0 Hi all, I am sure this will be easy for one of you clever people but it has got me stumped. https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_657570, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_657576, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_658441, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_658449, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_658455, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_658458, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_658460, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_658463, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#answer_355602, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_658481, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_658496, https://www.mathworks.com/matlabcentral/answers/438557-saving-workspace-variables-with-different-mat-file-name-using-for-loop#comment_658499. I have variable with name x with varying size of some 10000*2. In my opinion, dynamically named structure fields are just as bad in this case. 584), Statement from SO: June 5, 2023 Moderator Action, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood. If it isn't possible to put the variable into the saved name is there some other way to get an ordered set of .mat files saved to the same path? When using the command form of save, you do not need to enclose the input in single or double quotes. Temporary policy: Generative AI (e.g., ChatGPT) is banned, How can I write different length and different datatypes data to a text file from matlab. Can I have all three? Select the China site (in Chinese or English) for best site performance. The value stored there needs to be answer given for the first question. I am trying to implement this as. matlab - save variables to a mat file by reading variable names from -1 for using a structure. save variable with changing name. Why do microcontrollers always need external CAN tranceiver? Not the answer you're looking for? Change variable name on each iteration in for loop MATLAB, Create a loop using part of variable name in MATLAB, Changing variable names within a loop in MATLAB, renaming variable's name while working on my script, in matlab. Check the following link: A better approach would be saving them in a, The above code will automatically name the. Matlab's 'save' function - how to name the variable inside the .mat file same as file name? And on the fourth line you try to use, , which you never define. I tried using this in my program, I was expecting a 1X100 cell array and each cell value must show 23x20 double. I am getting that variable inside the for loop. The hardest part of building software is not coding, its requirements, The cofounder of Chef is cooking up a less painful DevOps (Ep. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Matlab saving a .mat file with a variable name, The hardest part of building software is not coding, its requirements, The cofounder of Chef is cooking up a less painful DevOps (Ep. any help would be much appreciated, thanks! Select the China site (in Chinese or English) for best site performance. array. Asking for help, clarification, or responding to other answers. Tambin puede seleccionar uno de estos pases/idiomas: Seleccione China (en idioma chino o ingls) para obtener el mejor rendimiento. This does it perfectly, for better performance do calculation without a loop. (which is undefined in your code, but presumably is defined in the workspace, thus also illustrating why experienced MATLAB users avoid scripts for reliable code). ", You can use my answer. Based on your location, we recommend that you select: . % SVMModel1 = fitcsvm(x1,y1,'Standardize',true,'KernelFunction','RBF', % SVMModel2 = fitcsvm(x2,y2,'Standardize',true,'KernelFunction','RBF', % SVMModel3 = fitcsvm(x3,y3,'Standardize',true,'KernelFunction','RBF', % SVMModel4 = fitcsvm(x4,y4,'Standardize',true,'KernelFunction','RBF', % SVMModel5 = fitcsvm(x5,y5,'Standardize',true,'KernelFunction','RBF', % SVMModel6 = fitcsvm(x6,y6,'Standardize',true,'KernelFunction','RBF', % SVMModel7 = fitcsvm(x7,y7,'Standardize',true,'KernelFunction','RBF', % SVMModel8 = fitcsvm(x8,y8,'Standardize',true,'KernelFunction','RBF', % SVMModel9 = fitcsvm(x9,y9,'Standardize',true,'KernelFunction','RBF', % SVMModel10 = fitcsvm(x10,y10,'Standardize',true,'KernelFunction','RBF', % SVMModel11 = fitcsvm(x11,y11,'Standardize',true,'KernelFunction','RBF', http://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval. It is slow and buggy. %03d instead of %d when generating your save_name variable. Accelerating the pace of engineering and science. Reload the page to see its updated state. Copy. But if you insist on this indirect approach, you probably just need to generate the appropriate fieldname: https://www.mathworks.com/help/matlab/matlab_prog/generate-field-names-from-variables.html, You may receive emails, depending on your. I understood your point. Matlab uses copy-on-write and does not make a copy unless changes are made to one of the variables.
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