How to join variables in the title of plot?

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Devendra
Devendra 2024-4-18
评论： VBBV 2024-4-18
I am using the matlab lines as follows
title(['PCA scores', method, par]);
where method and par keep on changing for different plots. I want to join 'PCA scores' with method and par in one line. I am attaching the title of plot and request you to kindly suggest me how to join them in one line.
Deva
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Devendra
Devendra 2024-4-18
编辑：Devendra 2024-4-18
Method is LR or RF Par is Ratoon or Plant Please suggest me how to print these variables into title of plot in one line?
Thanks for your kind cooperation.
Deva

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回答（2 个）

VBBV
VBBV 2024-4-18
title(['PCA scores', num2str(method), num2str(par)]);
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Devendra
Devendra 2024-4-18
My rmse error is printed as follows
RMSE = 3.1e+02
I want to print it like
RMSE = 310
Please suggest me how to do it.
Deva

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Rohit Kulkarni
Rohit Kulkarni 2024-4-18
Hi Devendra,
To join 'PCA scores' with variables `method` and `par` in one line for a MATLAB plot title, you can use the `sprintf` function or direct string concatenation. Here are two concise examples:
Using `sprintf`:
title(sprintf('PCA scores %s %s', method, par));
Using String Concatenation (MATLAB R2016b and later):
title(['PCA scores ' method ' ' par]);
Example:
method = 'LR';
par = 'Ratoon';
% 1st method
title(sprintf('PCA scores %s %s', method, par))
%2nd method
title(['PCA scores ' method ' ' par])
Thanks

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