Figure 2.
Iterative Procedure
Original Plutonium Data
GRID
Estimated
Grid Matrix
Iteration 1
————____—____—-j»— Estimates (ys) at sample locations.
Ty
Residuals:
R,,
il
= y,
i
- y
il
GRID
Iteration 2
—~p»—Estimates (955) at sample locations.
7)
+
ty
Yad
= new estimate of concentration surface.
7)
Yio
Residuals:
= new estimate of concentration at sampling
locations.
nw
R,, = y, - (yy, + ¥y)
GRID
Iteration 3
——————> Estimates (y;3) at sample locations.
+
Ty
+
Ty
=
final estimate of concentration surface
I,
Yair * Yun * 43
= final estimate of concentration at sampling
locations.
~
Residuals:
Ri3 = 97 (Yaa + yo + ¥53)
327