Confirm the value of a cell.
[ X , C , L ] = sudoku_confirmcell ( X , C , L , i , j , v ) [ X , C , L ] = sudoku_confirmcell ( X , C , L , i , j , v , verbose )
a 9-by-9 matrix, with 0 for unknown entries
a 9 x 9 cell of candidates
the 9 x 9 matrix of number candidates
the row of the value
the column of the value
the value to remove
Confirms v as a value for X(i,j) and remove this value from candidates of the row, column and block.