Ruby Matrix Output formatting

1Require'Matrix'2 3 classMatrix4     defto_pretty_s5s =""6i =07          whileI <self.column_size8s + ="\ n" ifI! =09j =0Ten              whileJ <self.row_size Ones + =' ' ifJ! =0 As + =Self.element (i, J). to_s -J + = 1 - End thei + = 1 - End - s - End +  -     defto_readable +Maximal_length = 15 AColumn_counter =0 atColumns_arrays = [] -          whileColumn_counter <self.column_size -Maximum_length =0 -Self.column (column_counter). Each do |column_element|#Get maximal size -Length =column_element.to_s.size -                 ifLength >Maximal_length inMaximum_length =length - End toEnd#Now we ' ve got the maximum size +Column_array = [] -Self.column (column_counter). Each do |column_element|#Add needed spaces to equalize each column theElement_string =column_element.to_s *Element_size =element_string.size $space_needed = Maximal_length-element_size +1Panax Notoginseng                 ifspace_needed >0 -Space_needed.times {Element_string.prepend" "} the                     ifColumn_counter = =0 +Element_string.prepend"[" A                     Else theElement_string.prepend"," + End - End $Column_array <<element_string $ End -Columns_arrays << Column_array#Now columns contains equal size strings -Column_counter + = 1 the End -Row_counter =0Wuyi          whileRow_counter <self.row_size theColumns_arrays.each do |column| -element =Column[row_counter] Wu                 PrintElement#Each column yield the correspondant row in order - End About             Print "]\n" $Row_counter + = 1 - End - End -  A     defMy_print +Matrix =self.to_a theField_size = matrix.flatten.collect{|i|I.to_s.size}.max -Matrix.each do |row| $Puts (row.collect{|i|' '* (field_size-i.to_s.size) + i.to_s}). Join ('  ')     the End the End the End the  -m = matrix[[12345678910, 333, 22.111], [3, 0.12345678, 3], [-333, 3, 4]] in  thePuts M#same as puts m.to_s the puts m.to_pretty_s About P m.to_pretty_s the m.to_readable the M.my_print the #matrix[[12345678910, 333, 22.111], [3, 0.12345678, 3], [ -333, 3, 4] + #12345678910 333 22.111 - #3 0.12345678 3 the #-333 3 4Bayi #"12345678910 333 22.111\n3 0.12345678 3\n-333 3 4" the #[12345678910, 333, 22.111] the #[3, 0.12345678, 3] - #[ -333, 3, 4] - #12345678910 333 22.111 the #3 0.12345678 3 the #-333 3 4

Ruby Matrix Output formatting