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*This function gives the sum of the difference of squares of corresponding values in <math> x </math> and <math> y </math>.
*This function gives the sum of the difference of squares of corresponding values in <math> x </math> and <math> y </math>.
*In <math> SUMX2MY2(x,y), x </math> is the first array of real values and <math> y </math> is the second array of real values.
*In <math> SUMX2MY2(x,y), x </math> is the first array of real values and <math> y </math> is the second array of real values.
*This function is defined by <math> SUMX2MY2= \sum (x^2-y^2) </math>.
*This function is defined by: <math> SUMX2MY2= \sum (x^2-y^2) </math>.
*The arguments can be be either numbers or names, array,constants or references that contain numbers.
*The arguments can be be either numbers or names, array,constants or references that contain numbers.
*Suppose the array contains text,logical values or empty cells, like that values are not considered.
*Suppose the array contains text,logical values or empty cells, like that values are not considered.