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Verifying an Vector composition

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Vinay Killamsetty
Vinay Killamsetty am 20 Jun. 2021
Bearbeitet: Scott MacKenzie am 22 Jun. 2021
If I am having a symmetric structures vector Eg: A = [a2 a1 a3 a4 a5 a4 a3 a2 a1]
I want to check whether the vector is having a peak value at the center index and the other values are arranged in a decreasing fashion from the center. I.e. a1<a2<a3<a4<a5.
How to check this?

Akzeptierte Antwort

Matt J
Matt J am 20 Jun. 2021
Bearbeitet: Matt J am 20 Jun. 2021
issorted(A(1:ceil(end/2))) & all(A==flip(A))

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Scott MacKenzie
Scott MacKenzie am 20 Jun. 2021
Bearbeitet: Scott MacKenzie am 22 Jun. 2021
There is probably an easier approach, but I think this works. The result of this expression is 1 if a1<a2<a3<a4<a5, or 0 otherwise
mean(diff(A(1:ceil(end/2))) > 0) == 1

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