What does this mean?

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JUN LIM
JUN LIM 2020-3-3
回答： Stephen23 2020-3-3
output(i,j)=mean(temp(:));
What does this code mean? I don't know 'temp(:)' mean.

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回答（1 个）

Stephen23
Stephen23 2020-3-3
The (:) syntax converts an array of any size and number of dimensions into a column vector.
So that code calculates the mean of all elements of temp (regardless of the size/dimensions of temp) and so will return exactly one value.

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