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Rutger Vos > Bio-Phylo > Bio::Phylo::Util::Math

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Bio-Phylo-v2.0.1.tar.gz

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NAME ^

Bio::Phylo::Util::Math - Utility math functions

EXPORTED FUNCTIONS ^

nchoose_static

Calculation of n choose j. This version saves partial results for use later.

 Type    : Exported function
 Title   : nchoose_static
 Usage   : $c = nchoose_static( $n, $j )
 Function: Calculation of n choose j.
 Returns : n-choose
 Args    : $n, $j
nchoose

Calculation of n choose j. Dynamic version.

 Type    : Exported function
 Title   : nchoose
 Usage   : $c = nchoose( $n, $j )
 Function: Calculation of n choose j.
 Returns : n-choose
 Args    : $n, $j
gcd

Greatest common denominator - assumes positive integers as input

 Type    : Exported function
 Title   : gcd
 Usage   : $gcd = gcd( $n, $m )
 Function: Greatest common denominator
 Returns : $gcd
 Args    : $n, $m
gcd_divide

Takes two large integers and attempts to divide them and give the float answer without overflowing

 Type    : Exported function
 Title   : gcd_divide
 Usage   : $gcd = gcd_divide( $n, $m )
 Function: Greatest common denominator
 Returns : $gcd
 Args    : $n, $m

SEE ALSO ^

There is a mailing list at https://groups.google.com/forum/#!forum/bio-phylo for any user or developer questions and discussions.

Bio::Phylo::Manual

Also see the manual: Bio::Phylo::Manual and http://rutgervos.blogspot.com.

CITATION ^

If you use Bio::Phylo in published research, please cite it:

Rutger A Vos, Jason Caravas, Klaas Hartmann, Mark A Jensen and Chase Miller, 2011. Bio::Phylo - phyloinformatic analysis using Perl. BMC Bioinformatics 12:63. http://dx.doi.org/10.1186/1471-2105-12-63

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