What does this syntax/notation mean? En=[En sum(x(n-L+​1:n).^2.*w​in(1:L)')]​;

2015 3 11
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I understand the equation; I am not familiar with the notation of "En = [En ... ]" and can't find it with any search of help. What is the purpose of renaming the En inside the brackets?

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Michael Haderlein
Michael Haderlein 2015-3-11
编辑：Michael Haderlein 2015-3-11

1 个投票

En=[En sum(...)]; is just extending En by one or more elements. Try:
>> x=rand
x =
0.2061
>> x=[x rand]
x =
0.2061 0.1467
>> x=[x rand]
x =
0.2061 0.1467 0.4125
>> x=[x rand(1,3)]
x =
0.2061 0.1467 0.4125 0.8414 0.8195 0.9931

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