Deleting last element of a nested structure

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Deepayan Bhadra
Deepayan Bhadra 2020-11-11
编辑： Stephen23 2020-11-11
MySignalData here has multiple 1x1 structs like DIA,DIB,...DIZ,timestamp. Each DIA etc. has multiple 1x1 structs like pt1151,pt9999 etc which has a Data variable. I want to remove the last element in Data such that the size is 21707x1 and I want to apply this to all such ptxxxx in DIA,...DIZ.
How do I vectorize this process or I need to do in a for-loop? Even with a loop, it seems a daunting exercise. Any input is welcome.
  1 个评论
Stephen23
Stephen23 2020-11-11
编辑：Stephen23 2020-11-11
"How do I vectorize this process or I need to do in a for-loop?"
Most likely you will need two loops and to use both of these:
https://www.mathworks.com/help/matlab/ref/fieldnames.html
https://www.mathworks.com/help/matlab/matlab_prog/generate-field-names-from-variables.html
It would be simpler with non-scalar structures, rather than putting meta-data into fieldnames.

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回答（1 个）

Sudhakar Shinde
Sudhakar Shinde 2020-11-11
To remove filed from structure check rmfield.
Example:
s.a = 1;
s.b = 2;
s.c = 3;
Remove field b.
field = 'b';
s = rmfield(s,field)
s = struct with fields:
a: 1
c: 3

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