Not sure if I understand the cost approximation. I interpret it as: if row 1 of 99 entries multiplies row 2 of 99 entries in order to get the pivot entry 2,1 then this operation is equal to 99 multiplications. So in the end when he is estimating the cost of just column b then wouldn't the cost ...
Not sure if I understand the cost approximation. I interpret it as: if row 1 of 99 entries multiplies row 2 of 99 entries in order to get the pivot entry 2,1 then this operation is equal to 99 multiplications. So in the end when he is estimating the cost of just column b then wouldn't the cost ...