com.numericalmethod.suanshu.analysis.sequence

Class Fibonacci

java.lang.Object

com.numericalmethod.suanshu.analysis.sequence.Fibonacci

All Implemented Interfaces:

Sequence, java.io.Serializable

public class Fibonacci
extends java.lang.Object
implements Sequence

A Fibonacci sequence starts with 0 and 1 as the first two numbers. Each subsequent number is the sum of the previous two. For example,

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...

See Also:

Wikipedia: Fibonacci number, Serialized Form

Constructor Summary

Constructors

Constructor and Description
Fibonacci(int length) Construct a Fibonacci sequence.

Method Summary

Modifier and Type	Method and Description
double	get(int i) Get the i-th entry in the sequence, counting from 1.
double[]	getAll() Get a copy of the whole (finite) sequence in double[].
int	length() Get the number of computed terms in the sequence.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Fibonacci

public Fibonacci(int length)

Construct a Fibonacci sequence.

Parameters:

length - the number of terms to generate

Method Detail

length

public int length()

Description copied from interface: Sequence

Get the number of computed terms in the sequence.

Specified by:

length in interface Sequence

Returns:

the length of sequence

get

public double get(int i)

Description copied from interface: Sequence

Get the i-th entry in the sequence, counting from 1.

Specified by:

get in interface Sequence

Parameters:

i - an index

Returns:

the i-th entry in the sequence

getAll

public double[] getAll()

Description copied from interface: Sequence

Get a copy of the whole (finite) sequence in double[].

Specified by:

getAll in interface Sequence

Returns:

a copy of all the computed terms in the sequence