The distribution of the total node number can be seen by using the refine function to encrypt the unit label array Elem 2 times.

1>>Clear2node = [1 1;-1 1;-1-1;1-1]; %nodes Squar3Elem = [1 2 3 4]; %Elements4belong=1: Size (Elem,1); bdedge=[1 1 1 1];5  fork1=1:26[Node,elem,bdedge,hb,belong] =Refine (node,elem,bdedge,[],belong);7 End8 Elem9 TenElem = One  A      1    Ten     A     One -      5     A     at     - -      9     -     -     + the      6     +     -     - -     Ten     5     -     A -      A     2     -     at -      -     7     -     - +      +     9     +     - -      A     -     9     + +      at     -     7     - A      -     -     3     the at      -     +     8     - -      One     A     +     6 -      -     at     -     9 -      +     -     the     8 -      -     -     -     4

The distribution of the total node number can be seen by using the refine function to encrypt the unit label Array Elem 2 times .

The distribution of the total node number can be seen by using the refine function to encrypt the unit label array Elem 2 times.