Compute the r[n] h[n] for the case where -3 -2 72 -4 h[n] 0 0 x[n] 0 0 0 -1 1012 345 1 3 2 1 100 243 0 000 Note that in this case, the sequences do not start at the same point. Hint: Use conv, but make sure you get the counter indices correct. How many non-zero values do you have in the output?