YoungTableau _ Sequence -- get the entry at a specific position

• Operator: _

• Usage:

  T_seq

  T_(i,j)

• Inputs:
  • T, an instance of the type YoungTableau, a tableau.
  • seq, a sequence, a pair (i,j) of integers in ZZ.
• Outputs:
  • theBox, a thing, the entry of T in position (i,j).

i1 : T = youngTableau(new Partition from {4,3,1,0}, new Partition from {1,1}, {1,2,3,4,5,6})

         ┌───┬───┬───┐
o1 =     │ 1 │ 2 │ 3 │
         ├───┼───┼───┘
         │ 4 │ 5 │    
     ┌───┼───┴───┘    
     │ 6 │            
     └───┘            

o1 : YoungTableau

i2 : (T^0)#1

o2 = 1

i3 : (T_1)#0

o3 = 1

i4 : T_(0,1)

o4 = 1