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RE: How can I get the previous Fibonacci calculated number in a specific

• To: mathgroup at smc.vnet.net
• Subject: [mg100283] RE: [mg100266] How can I get the previous Fibonacci calculated number in a specific
• From: "Harvey P. Dale" <hpd1 at nyu.edu>
• Date: Sun, 31 May 2009 06:32:50 -0400 (EDT)
• References: <200905300101.VAA23713@smc.vnet.net>

Try the function Fibonacci.  Look it up in the documentation center.
Best,
Harvey

-----Original Message-----
From: ratulloch at gmail.com [mailto:ratulloch at gmail.com]
Sent: Friday, May 29, 2009 9:01 PM
To: mathgroup at smc.vnet.net
Subject: [mg100283] [mg100266] How can I get the previous Fibonacci calculated
number in a specific

Greetings

How can I get a previous Fibonacci calculated number in a specific
range.  I can calculate the previous number of phi see below

phi1 =(1+sqrt(5))/2

13/phi1

I tested it with 13 and got 8.034441857 .....so that works

but how can I get only the previous numbers of Fibonacci in a
specified range from 20 to 20000 if I input a large number like
234.34e10

tia sal2

• References:
  • How can I get the previous Fibonacci calculated number in a specific
    • From: ratulloch@gmail.com