Distance Vector

for (i=0; i<n; i++) {

A[i] = B[i];

B[i+1] = A[i];

}

A[0] = B[0];

B[1] = A[0];

A[1] = B[1];

B[2] = A[1];

A[2] = B[2];

B[3] = A[2];

Distance vector is the difference between the target and source iterations.

d = It-Is

Exactly the distance of the dependence, i.e.,

Is + d = It

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