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how to know first element in Data struct

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aldo
aldo 2023-11-29
评论： Stephen23 2023-11-29
i want the first element of all field in struct
>> whos Sis
Name Size Bytes Class Attributes
Sis 1x351 120517682 struct
Sis(1).data(1)
ans =
datetime
2008-01-01
but i want to know Sis(1).data(1) for all element in struct(351 element)
i can't to use
data=[Sis.data];
Error using datetime/horzcat
Dimensions of arrays being concatenated are not consistent.

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采纳的回答

Stephen23
Stephen23 2023-11-29
arrayfun(@(s)s.data(1),Sis)
  1 个评论
Stephen23
Stephen23 2023-11-29
Ran in:
Lets try it:
S = struct('data',{datetime(2023,11,1:5),datetime(2023,1,1:4)},'other',{eps,pi})
S = 1×2 struct array with fields:
data other
arrayfun(@(s)s.data(1),S)
ans = 1×2 datetime array
01-Nov-2023 01-Jan-2023

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