datetime InputFormat error in R2021a but works in R2017b ?

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Dave
Dave 2021-8-28
评论： Star Strider 2023-2-25
Hello, using datetime in R2021a brings an error while the same task works in R2017b, Is there a way to fix the issue in the newer version?
b=string('2004Q1');
In R2017b
c=datetime(b,'InputFormat','yyyyQQ')
c =
datetime
01-Jan-2004
In R2021a
c= datetime(b,'InputFormat','yyyyQQ')
Error using datetime (line 647)
Unable to convert '2004Q1' to datetime using the format 'yyyyQQ'.

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采纳的回答

Star Strider
Star Strider 2021-8-28
Ran in:
That seems to have changed between releases. In R2021a, it’s necessary to use 'QQQ' to designate ‘long format’ quarters —
b=string('2004Q1');
c= datetime(b,'InputFormat','yyyyQQQ')
c = datetime
01-Jan-2004
See Format for details.
.
  1 个评论
Star Strider
Star Strider 2021-8-28
As always, my pleasure!
Yes. I linked to them in my Answer. (At least I believe that’s the information you want. If it isn’t, post back with a description, and I’ll look again.)
.

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更多回答（1 个）

Haiqin Liu
Haiqin Liu 2023-2-25
I tried but it still won't work: Unable to convert '2004Q4' to datetime using the format 'yyyyQQQ'.

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