Find mean of arrays values which is bigger than threshold

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Adm
Adm on 14 Mar 2014
Answered: Jos (10584) on 14 Mar 2014
Let`s say I have array (960x1280)of some numbers, and i want to find mean of numbers which are bigger than some threshold (e.g. 20).

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Answers (1)

Jos (10584)
Jos (10584) on 14 Mar 2014
The following will return the mean across all array elements.
tf = MyArray > Threshold
MyMean = mean(reshape(MyArray(tf),1,[]))
The reshape is needed in case all elements are above the threshold ...

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