how to make an identifer for string variables

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Linden 2014-4-30

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评论： Stephen23 2024-8-22，11:12

Hi I have a list of string variables, which all ends with "_STI". How can I group them together so that I can perform the same operations to them. For example, I want to assign a number to all the variables ends with "_STI". Thanks very much

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Stephen23 2024-8-22，11:12

https://www.mathworks.com/matlabcentral/discussions/tips/849901-tutorial-why-variables-should-not-be-named-dynamically-eval

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Answer 1

Prateekshya 2024-8-22，10:57

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Hello Linden,

Assuming that the variables are doubles, here is a small example to achieve value assignment by grouping the variables together:

% Step 1: Get a list of all variables in the workspace
vars = who;
% Step 2: Initialize a number to assign
assign_value = 42; % Replace with the number you want to assign
% Step 3: Loop through the variables and perform operations
for i = 1:length(vars)
    var_name = vars{i};
    if endsWith(var_name, '_STI')
        % Use dynamic field names to assign a value
        assignin('base', var_name, assign_value);
    end
end