Setting Variable Text Based on Radio Button

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Declan Simons 2015-3-27

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https://ww2.mathworks.cn/matlabcentral/answers/194871-setting-variable-text-based-on-radio-button

评论： Image Analyst 2015-3-27

I want to have 4 variations of the same format to display 4 sections of predefined text when a radio button is pushed. How would I do this?

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Adam 2015-3-27

Can you elaborate a little? You mean you want 4 radio buttons each with one of your options on? One radio button isn't really a radio button at all. What do you want to format?

Declan Simons 2015-3-27

Yes there are 4 buttons and for each button a selection of 4 texts that I want to display. So each button will display 4 messages.

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Answer 1

Image Analyst 2015-3-27

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https://ww2.mathworks.cn/matlabcentral/answers/194871-setting-variable-text-based-on-radio-button#answer_172962

在 MATLAB Online 中打开

Try something like this:

masterString = 'abcdefghijklmnopqrstuvwxyz1234567890';
radioButton1Value = get(handles.rad1, 'Value');
radioButton2Value = get(handles.rad2, 'Value');
radioButton3Value = get(handles.rad3, 'Value');
radioButton4Value = get(handles.rad4, 'Value');
if radioButton1Value 
  index1 = 1; % Whatever....
  index2 = 3; % Whatever....
elseif radioButton2Value 
  index1 = 10; % Whatever....
  index2 = 30; % Whatever....
elseif radioButton3Value 
  index1 = 15; % Whatever....
  index2 = 26; % Whatever....
elseif radioButton4Value 
  index1 = 22; % Whatever....
  index2 = 31; % Whatever....
end
substring = masterString(index1:index2);

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Declan Simons 2015-3-27

在 MATLAB Online 中打开

Not working on it now will hopefully get it working and get you your rightful answer allocation.

Can you just explain this part, as what each component does? As I need 4 strings of multiple words for each button

index1 = 1; % Whatever....

Image Analyst 2015-3-27

Let's say your string is 100 characters long. Exactly how are you going to tell the program what character to start on and what character to stop at? Somehow you have to tell it a starting and stopping index from which to extract a substring.

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