class Spark::Mllib::VectorAdapter
Public Class Methods
new(*args)
click to toggle source
# File lib/spark/mllib/ruby_matrix/vector_adapter.rb, line 15 def self.new(*args) object = self.allocate object.__send__(:initialize, *args) object end
new(*args)
click to toggle source
Calls superclass method
# File lib/spark/mllib/ruby_matrix/vector_adapter.rb, line 21 def initialize(*args) case args.shift when :dense values = args.shift.dup when :sparse values = [0.0] * args.shift.to_i else raise Spark::MllibError, 'Unknow vector type.' end super(values) end
Public Instance Methods
[]=(index, value)
click to toggle source
# File lib/spark/mllib/ruby_matrix/vector_adapter.rb, line 34 def []=(index, value) @elements[index] = value end
dot(other)
click to toggle source
# File lib/spark/mllib/ruby_matrix/vector_adapter.rb, line 38 def dot(other) if other.is_a?(Spark::Mllib::MatrixBase) other * self else inner_product(other) end end
squared_distance(other)
click to toggle source
# File lib/spark/mllib/ruby_matrix/vector_adapter.rb, line 46 def squared_distance(other) diff = self - other diff.dot(diff) end
values()
click to toggle source
# File lib/spark/mllib/ruby_matrix/vector_adapter.rb, line 51 def values @values || to_a end