Identify closed formulas and recurrence relations with initial conditins. an=n²+1, n20 an=-2n+2, n>1 1 n21 (n+ 1)n n A. Closed formula B. Recurrence relation + an=an-1+n, ao=2 + Pn=Pn-3+2pn-2+3pn-1, Po=Pi=P2=-1 + Hn=2H,-1+1, H1=1

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Identify closed formulas and recurrence relations with initial conditins.
an=n²+1, n20
an=-2n+2, n>1
1
n21
(n+ 1)n
n
A. Closed formula
B. Recurrence relation
+ an=an-1+n, ao=2
+ Pn=Pn-3+2pn-2+3pn-1, Po=Pi=P2=-1
+ Hn=2H,-1+1, H1=1
Transcribed Image Text:Identify closed formulas and recurrence relations with initial conditins. an=n²+1, n20 an=-2n+2, n>1 1 n21 (n+ 1)n n A. Closed formula B. Recurrence relation + an=an-1+n, ao=2 + Pn=Pn-3+2pn-2+3pn-1, Po=Pi=P2=-1 + Hn=2H,-1+1, H1=1
Expert Solution
Step 1

The closed formula for a sequence is used to define the general term of a sequence. For example, the closed formula for the sequence, 1, 4, 9, 16, 25… can be represented as an=n2,  n1

The recurrence relation, gives a functional relationship between multiple terms of a sequence. For example, the Fibonacci sequence is defined by the recurrence relation, Fn=Fn1+Fn2 . Here, Fn is the nth term of the Fibonacci sequence.

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