what will be a error and efficiency equation of xyz algorithm

if I have estimated value(Iest) of xyz algorithm and actual value(Iact) then what will be a error and efficiency equation of xyz algorithm.

[Jan]

Are you talking about XYZ gridding methods, a quadrant-XYZ routing algorithm, the XYZ algorithm for full-motion video compression algorithm, an XYZ color conversion, ...?

Please give us a chance for an educated guess of what you exactly need.

[vipul utsav]

'xyz' algorithm means any algorithm which gives one estimated value(output from algorithm)