sumxmy2

Sum of squared differences between paired arrays.

Syntax

v = sumxmy2(array1, array2)

Description

Returns sum((x - y).^2). Useful for residual sum-of-squares calculations.

Example

sumxmy2([2 3 4], [1 2 3])    % 1+1+1 = 3

See also

• sumsq — Sum of squares.
• sumx2my2 — Sum of (x² − y²) over paired arrays.
• sumx2py2 — Sum of (x² + y²) over paired arrays.