- The first double for-loop computes new values of the (i, j)th entry
of i, by scanning the 3 X 3 neighborhood of (i, j).
- The variable s contains the sum of these values (with the
value of L(i, j) subtracted away)
- The statement 1.1.4 applies the life and death rules described
earlier.
- The auxiliary array X holds the new value of L(i, j). The value
cannot be replaced in the L array until more computations of L values
are made.
- In step 2.1.1 the new L values are stored in X, replace the old
ones, and the new values are displayed.
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