SUMX2PY2(array0,array1)
array0: first cell area
array1: second cell area
SUMX2PY2 function returns the sum of the sum of squares of corresponding values in two arrays. The equation of SUMX2PY2 is SUM(x^2+y^2).
If array0 and array1 have different number of data points, SUMX2PY2 returns #N/A.
Strings and empty cells are simply ignored.
This function is Excel compatible.