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[Octave-bug-tracker] [bug #50330] factorial(250) returns InF
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From: |
Mike Miller |
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Subject: |
[Octave-bug-tracker] [bug #50330] factorial(250) returns InF |
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Date: |
Thu, 16 Feb 2017 15:37:27 -0500 (EST) |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:51.0) Gecko/20100101 Firefox/51.0 |
Update of bug #50330 (project octave):
Status: None => Invalid
Open/Closed: Open => Closed
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Follow-up Comment #2:
>From https://www.mathworks.com/help/matlab/ref/factorial.html
> For single and double, all values larger than the maximum value are returned
as Inf
So Octave is behaving correctly. Any factorial(n) where n >= 171 should return
Inf.
The OP may be interested in the symbolic package for Octave. Compare:
>> factorial (250)
ans = Inf
>> factorial (sym (250))
ans = (sym)
3232856260909107732320814552024368470994843717673780666747942427112823747555111209488817915371028199450928507353189432926730931712808990822791030279071281921676527240189264733218041186261006832925365133678939089569935713530175040513178760077247933065402339006164825552248819436572586057399222641254832982204849137721776650641276858807153128978777672951913990844377478702589172973255150283241787320658188482062478582659808848825548800000000000000000000000000000000000000000000000000000000000000
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Reply to this item at:
<http://savannah.gnu.org/bugs/?50330>
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