I have data x=[ 0 3 7 11];y=[0 2 4 8];z=[1 10 8 11;2 11 9 12;3 12 10 14;3 12 10 14;4 13 12 15].How to find patches of data(X,Y,Z)

I have data

x=[ 0 3 7 11];
y=[0 2 4 8];
z=[1 10 8 11;2 11 9 12;3 12 10 14;3 12 10 14;4 13 12 15]

How to find patches of data(X,Y,Z)

[Walter Roberson]

How do the x and y relate to the z? You have 4 x, 4 y, and 5 by 4 z.