search for: weightened

I have a matrix of values... for exemple the matrix could be 100 rows and 50 columns... I would like to resample the matrix to obtain a new matrix -> a 10x5 matrix So i need to calculate a new value for every cell, i would like to use a weightened mean to do this. I explain this thing better: In the exemple the original matrix would be divided into 50 partial-matrix, for every partial-matrix should be extracted a value obtained from a weightened mean: the cell at center of the partial-matrix should have the max importance into the mean, the...