Contents

# http://www.ruby-forum.com/topic/95519#200484

module WilliamJamesCartesianProduct
  def self.cart_prod( *args )
    args.inject([[]]){|old,lst|
      new = []
      lst.each{|e| new += old.map{|c| c.dup << e }}
      new
    }
  end
end

Version data entries

26 entries across 26 versions & 2 rubygems

Version	Path
seamusabshere-data_miner-0.1.0	lib/data_miner/william_james_cartesian_product.rb
seamusabshere-data_miner-0.1.2	lib/data_miner/william_james_cartesian_product.rb
seamusabshere-data_miner-0.1.3	lib/data_miner/william_james_cartesian_product.rb
seamusabshere-data_miner-0.1.5	lib/data_miner/william_james_cartesian_product.rb
seamusabshere-data_miner-0.1.6	lib/data_miner/william_james_cartesian_product.rb
seamusabshere-data_miner-0.2.0	lib/data_miner/william_james_cartesian_product.rb
seamusabshere-data_miner-0.2.1	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.13	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.12	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.11	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.10	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.9	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.8	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.7	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.6	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.5	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.4	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.3	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.2	lib/data_miner/william_james_cartesian_product.rb
data_miner-0.3.1	lib/data_miner/william_james_cartesian_product.rb