# YoungTableau _ Sequence = Thing -- changes the entry in cell (a,b) from a Young Tableau

## Synopsis

• Operator: _
• Usage:
y_(a,b) = e
• Inputs:
• y, an instance of the type YoungTableau,
• pos, , the position (a,b) of the cell where a is the row and b the column
• e, , a number, the new entry of the cell
• Outputs:
• an instance of the type YoungTableau, the number in the cell at the position (a,b) of the tableau y

## Description

 i1 : y = youngTableau(new Partition from {2,2},{0,2,1,3}) o1 = | 0 2 | | 1 3 | o1 : YoungTableau i2 : y_(0,0)=1 o2 = 1 i3 : y o3 = | 1 2 | | 1 3 | o3 : YoungTableau