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Changing variable name in loop matlab

WebJun 4, 2012 · Accepted Answer: Walter Roberson. Hi, I have a problem with naming a variable during a for loop. I want to change the variable name in each iteration, so I use eval function for naming like this. dataset=rand (3); for i=1:N. eval ( ['NAME_' num2str (i) '=dataset']); end. But with eval function I always have out put on command window. WebAug 30, 2024 · Commented: Stephen23 on 31 Aug 2024. I want to save the answers in the loop for future use, I understand that I can use sprintf to batch store the data in the variables, but if I want to change my name with the loop, how can I do it? ex. Theme. Copy. for i = 1:10. k (i) = 2^i. end. k =.

(MATLAB TRICK AND SHORTCUTS): I would like to rename all my variables …

WebSep 25, 2014 · How to change the name of variables using a loop?. Learn more about names, concatenate, iteration I need to do the same matrix calculations repeatedly, but … WebAug 14, 2013 · fix your loop iterator: the loop iterates over k, but inside the loop you refer only to i (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). telkomsel aktif 1 tahun https://getmovingwithlynn.com

How to change the name of variables using a loop?

WebJul 13, 2024 · For example, in my code below, I have Data1 and Data2 folders containing these.csv files. In the first iteration of for loop, I will like to load.csv files from folder Data1, and save output variable from pca function as Data1_Name_PCA.For the second iteration, I will like to save the output variable from pca as Data2_Name_PCA, and so on. WebIf you have 20 named variables like VarName1 VarName2, and so on, you can rename them and retain their data/values like this: newVar1 = VarName1; % Copy to new variable with new and different name. clear ('VarName1'); % Delete old variable with old name. and so on down to 20. WebJan 16, 2012 · 1. You can read them all into cells of a cell array. The name of the cell array stays the same, you just use a different index (the loop index) to stuff the image into different cells in the cell array. Something like: Theme. Copy. for k = 1 : size (ls,1); bkg {k} = imread (fullFileName); end. telkomsel buka semua peluang

Save loop variable naming problem - MATLAB Answers - MATLAB …

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Changing variable name in loop matlab

Change variable name in a loop - MATLAB Answers

WebJun 23, 2016 · fclose (fileID); end. p1=cell2mat (pc {1}); Now I am trying to specify name for each column for example, first column of the p1 would be T_1_1. I would like to create … WebMar 18, 2024 · change two variable in the name in a loop using eval or any other command. Follow 6 views (last 30 days) ... and just then use basic MATLAB indexing to access the corresponding vector elements. Indexing is simple, neat, easy to debug, and very efficient (unlike what you are trying to do).

Changing variable name in loop matlab

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WebSep 25, 2014 · Structures would be preferable to what you want. Theme. Copy. mystruct.description = 'blah blah'; mystruct = setfield (mystruct, ['R_' num2str (ii) ], values); However, sometimes, in rare cases, not using a monolithic storage solution is the only practical option. This option should be avoided whenever possible. Theme. WebDec 14, 2012 · is the basic syntax for use. MATLAB documentation has detailed examples of using this function with an exclusion list (for ensuring unique variable names). You will have to use eval or another function (e.g. assignin, mentioned in an earlier answer) to utilise this variable name. To answer the question completely,

WebJan 20, 2013 · Nice thing about the struct (with variable field names) is that you can save it. save( 'myMatFile.mat', 'struct_mat', '-struct'); and you'll have variables mat1,...,mat10 in the mat-file! Cool! Some good coding practices: Pre-allocate matrices and arrays in Matlab. Changing a variable size inside a loop really slows down Matlab. WebAug 8, 2013 · Another way, using a struct to save the loop index into the name of the field: for ii=1:bar foo. ( ["var" num2str (ii)]) = quux; end. This creates a structure with fields like …

WebNov 13, 2013 · Also note that MATLAB variable names cannot have the dot character in them, so your example variable names are invalid and would not work, even though you incorrectly state that "you can call them pic1.png, pic2.png, pic3.png, pic4.png".This should also give you a hint as to one reason why your approach of dynamically naming … WebJan 4, 2024 · How do I change a string object into a variable... Learn more about data type MATLAB. I have a string array of table variable names that i want to feed into heatmap. I use 'for' to loop through a table to generate heatmaps that go to power point. ... Find the treasures in MATLAB Central and discover how the community can help you! Start …

WebFeb 12, 2024 · Learn more about matlab function, function, for loop, params MATLAB Hii, i have one function inside which i created the variables name params. now im using that function in another file2,3,4 but now i want a result "I1c" from file_4 for different values of …

WebJul 10, 2011 · 1 Answer. You should preallocate a matrix before your loop, and in the loop you just insert the vectors directly in the columns (or rows). Like: A= zeros (10, 10); for k in 1: 10 A (:, k)= %# result of your processing end. That's how I interpreted your question. telkomsel cangguWebFeb 8, 2012 · I use the following code to generate a variable file name in a loop and accordingly get the desired data. P = dir ('*.csv'); for m = 1:length (P) P (m).data = csvread (P (m).name); end. I now want to modify these CSV files (change the data values in the CSV files) before obtaining the desired data and then save these files to Excel format … telkomsel dan xl matikan 3gWebJul 11, 2011 · for k=1:10. FileName= [BaseName,num2str (k)] end. Steven Lord on 19 Feb 2024. You can't use ! if the command you want the system to execute is going to be assembled using the contents of a variable. Use the system function instead, building the command you want the system to execute using concatenation (as you built FileName) … telkomsel data flash adalahWebOct 8, 2010 · MATLAB: How can I use a variables value in another variables name? I want to name a variable using values of other variables given in a function. So, if I have values for an x1,x2 I can make the new variable's name as: x_(x1's value)_(x2's value) as a name. I've checked out the eval, num2str, strcat functions, but as of yet I can't make it so ... telkomsel beli masa aktiftelkomsel data orbit adalahWebJan 27, 2024 · You're probably going to want to use the variable 'a' somewhere in your for loop, since that is the loop iteration variable. Sign in to comment. Sign in to answer this question. telkomsel combo sakti adalahWebChange the variable names so that they each start with "Reading" and end with a suffix. Determine how many variables T has by using the width function. Specify the table variables as a numeric array. Convert the numeric array allVars to a string array. Create a 1-by-5 string array by appending each element to "Reading".. Rename all of the … telkomsel cp kota jakarta barat daerah khusus ibukota jakarta