Independent Segregation of Chromosomes

AUTHOR

L. Grondin

http://rosalind.info/problems/indc/

Sample input

5

Sample output

0.000 -0.004 -0.024 -0.082 -0.206 -0.424 -0.765 -1.262 -1.969 -3.010
use v6;



my $n = 5;

sub C($n, $k) {
    state %cache;
    %cache{$n}{$k} //=
        $k == 1 ?? $n !! C($n, $k-1)*($n-$k+1) div $k;
}

my @results = gather for 1 .. 2*$n -> $k {
    take .log / log 10 given 1/2**(2*$n) * [+] map { C 2*$n, $_ }, $k .. 2*$n;
}

say @results.fmt("%.3f");

# vim: expandtab shiftwidth=4 ft=perl6

See Also

afrq-grondilu.pl

Counting Disease Carriers

aspc-grondilu.pl

Introduction to Alternative Splicing

cons-grondilu.pl

Consensus and Profile

conv-grondilu.pl

Comparing Spectra with the Spectral Convolution

cstr-grondilu.pl

Creating a Character Table from Genetic Strings

ctbl-grondilu.pl

Creating a Character Table

dbpr-grondilu.pl

Introduction to Protein Databases

dna-gerdr.pl

Counting DNA Nucleotides

dna-grondilu.pl

Counting DNA Nucleotides

eubt-grondilu.pl

Enumerating Unrooted Binary Trees

eval-grondilu.pl

Expected Number of Restriction Sites

fib-grondilu.pl

Rabbits and Recurrence Relations

fibd-grondilu.pl

Mortal Fibonacci Rabbits

gc-gerdr.pl

Computing GC Content

grph-grondilu.pl

Overlap Graphs

hamm-grondilu.pl

Counting Point Mutations

iev-grondilu.pl

Calculating Expected Offspring

iprb-grondilu.pl

Mendel's First Law

itwv-grondilu.pl

Finding Disjoint Motifs in a Gene

lcsq-grondilu.pl

Finding a Shared Spliced Motif

lia-grondilu.pl

Independent Alleles

lrep-grondilu-p5.pl

mmch-grondilu.pl

Maximum Matchings and RNA Secondary Structures

mprt-grondilu.pl

Finding a Protein Motif

mrna-grondilu.pl

Inferring mRNA from Protein

nwck-grondilu.pl

Distances in Trees

orf-grondilu.pl

Open Reading Frames

pmch-grondilu.pl

Perfect Matchings and RNA Secondary Structures

pper-grondilu.pl

Partial Permutations

prob-grondilu.pl

Introduction to Random Strings

qrt-grondilu.pl

Quartets

README.md

revc-gerdr.pl

Complementing a Strand of DNA

rna-gerdr.pl

Transcribing DNA into RNA

rstr-grondilu.pl

Matching Random Motifs

sexl-grondilu.pl

Sex-Linked Inheritance

sgra-grondilu.pl

Using the Spectrum Graph to Infer Peptides

spec-grondilu.pl

Inferring Protein from Spectrum

sseq-grondilu.pl

Finding a Spliced Motif

subs-grondilu.pl

Finding a Motif in DNA

suff-grondilu.pl

Encoding Suffix Trees

tran-grondilu.pl

Transitions and Transversions

trie-grondilu.pl

Introduction to Pattern Matching

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