module Matrix::MMatrix

a hidden module of Matrix

Public Class Methods

default_block(block) click to toggle source
# File lib/extendmatrix.rb, line 536
def self.default_block(block)
  block ? lambda { |i| block.call(i) } : lambda {|i| i }
end
id_vect_range(args, l) click to toggle source

Returns: 1) the index of row/column and 2) the values Vector for changing the row/column and 3) the range of changes

# File lib/extendmatrix.rb, line 545
def self.id_vect_range(args, l)
  i = args[0] # the column(/the row) to be change
  vect = args[1] # the values vector
  
  case args.size
  when 3 then range = args[2] # the range of the elements to be change
  when 4 then range = args[2]..args[3] #the range by borders
  else range = 0...l
  end
  return i, vect, range
end