02-02-2017 01:43 PM
I would suggest you watch these getting started videos. They go over model building and scoring, which is what you're trying to do here.
02-02-2017 04:26 PM
Of course, if the function to generate z directly from x and y is known, then this can be done simply using a Generate Attributes operator, which supports most common mathematical functions. Otherwise, as @Thomas_Ott said, you are going to have to delve into the world of predictive modeling.