Recurrence Relations
In the spiral, each triangle shares a side with two others giving a visual proof that the Padovan sequence also satisfies the recurrence relation
Starting from this, the defining recurrence and other recurrences as they are discovered, one can create an infinite number of further recurrences by repeatedly replacing by
The Perrin sequence satisfies the same recurrence relations as the Padovan sequence, although it has different initial values. This is a property of recurrence relations.
The Perrin sequence can be obtained from the Padovan sequence by the following formula:
Read more about this topic: Padovan Sequence
Famous quotes containing the words recurrence and/or relations:
“Forgetfulness is necessary to remembrance. Ideas are retained by renovation of that impression which time is always wearing away, and which new images are striving to obliterate. If useless thoughts could be expelled from the mind, all the valuable parts of our knowledge would more frequently recur, and every recurrence would reinstate them in their former place.”
—Samuel Johnson (17091784)
“She has problems with separation; he has trouble with unityproblems that make themselves felt in our relationships with our children just as they do in our relations with each other. She pulls for connection; he pushes for separateness. She tends to feel shut out; he tends to feel overwhelmed and intruded upon. Its one of the reasons why she turns so eagerly to childrenespecially when theyre very young.”
—Lillian Breslow Rubin (20th century)