Calculate the dates of the month that TSF that are above the ave TSF, use a column vector. Do not use a loop and do not use if else statements. 6i) Calculate the dates of the month that TSF is lower than TCH, use a column vector. Do not use a loop and do not use if else statements. 6j) Calculate the dates of the month that TSF is equal to TCH, use a row vector. Do not use a loop and do not use if else statements.