Related to mean function

Hello.

For example, I don't know what is the mean(A,3).

Who's anybody know that? please help me.

Answer 1

[Stephen23]

Why not read the MATLAB help? You can do this easily from MATLAB itself:

doc mean

Or by using your favorite internet search engine (it takes just 0.1 seconds).

The MATLAB documentation for mean states that " M = mean(A,dim) returns the mean along dimension dim ".

So your code finds the mean along the third dimension.

Answer 2

[KSSV]

mean(k,3) gives mean of a 3D matrix.

K = rand(2,2,2) ;
mean(K,3)

[Stephen23]

@KSSV: What is the "mean(k,3) gives mean of a 3D matrix" actually?

Is it the mean of all elements, the mean of some elements, the mean along a particular dimension? Which of those are you trying to explain? (it is one of them, but which one?)