pr1_b ??? Undefined function or variable 'pr1_b'. pr1_2b X = Columns 1 through 13 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 Columns 14 through 21 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9 10 Y = Columns 1 through 13 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -9 -9 -9 -9 -9 -9 -9 -9 -9 -9 -9 -9 -9 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -6 -6 -6 -6 -6 -6 -6 -6 -6 -6 -6 -6 -6 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -5 -4 -4 -4 -4 -4 -4 -4 -4 -4 -4 -4 -4 -4 -3 -3 -3 -3 -3 -3 -3 -3 -3 -3 -3 -3 -3 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 10 10 10 10 10 10 Columns 14 through 21 -10 -10 -10 -10 -10 -10 -10 -10 -9 -9 -9 -9 -9 -9 -9 -9 -8 -8 -8 -8 -8 -8 -8 -8 -7 -7 -7 -7 -7 -7 -7 -7 -6 -6 -6 -6 -6 -6 -6 -6 -5 -5 -5 -5 -5 -5 -5 -5 -4 -4 -4 -4 -4 -4 -4 -4 -3 -3 -3 -3 -3 -3 -3 -3 -2 -2 -2 -2 -2 -2 -2 -2 -1 -1 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 10