How do I rename each individual item in a column in one function?

Question

Dayne Chart 2021-6-24

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/864295-how-do-i-rename-each-individual-item-in-a-column-in-one-function

回答： Adam Danz 2021-6-24

I have a structure which has 15 fields with various columns. The first column is titled label and has the 15 conditions in it. I manually set these as before they were all called 'Undefined' and realised I could change each one with the function D.trials(1).label = "Single_L_M' and then repeat all the way till D.trials(15).label = "ISI200_R_M'. Is there a way in one function to rename the lables rather than 15 lines which I have currently:

D.trials(1).label = 'Single_L_M';

D.trials(2).label = 'Single_L_I';

D.trials(3).label = 'Single_R_I';

D.trials(4).label = 'Single_R_M';

D.trials(5).label = 'Double_L_M';

D.trials(6).label = 'Double_R_I';

D.trials(7).label = 'Double_R_M';

D.trials(8).label = 'ISI30_L_M';

D.trials(9).label = 'ISI30_L_I';

D.trials(10).label = 'ISI30_R_I';

D.trials(11).label = 'ISI30_R_M';

D.trials(12).label = 'ISI200_L_M';

D.trials(13).label = 'ISI200_L_I';

D.trials(14).label = 'ISI200_R_I';

D.trials(15).label = 'ISI200_R_M';

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Answer 1

Adam Danz 2021-6-24

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/864295-how-do-i-rename-each-individual-item-in-a-column-in-one-function#answer_732775

在 MATLAB Online 中打开

Create a list of the new names within a cell array and then use deal to distribute the list to the label fields.

Demo:

D.trials(1).label = 'Single_L_M';
D.trials(2).label = 'Single_L_I';
D.trials(3).label = 'Single_R_I';
newNames = {'ABC', 'DEF', 'GHI'};
[D.trials.label] = deal(newNames{:}); 
D.trials.label
ans = 'ABC'
ans = 'DEF'
ans = 'GHI'