Xe of xn ei of xn en3 for 0 n r O n7 Solution3 n0013 xnexp

X(e) of x(n ei) of x(n)- e-n/3 for 0 n r O n7.

(3)

>> n=0:0.1:3;
>> x_n=exp(-n/3);
>> h_n=exp(-n/6);
>> conv(x_n,h_n)

ans =

Columns 1 through 5

1.0000 1.9507 2.8540 3.7116 4.5254

Columns 6 through 10

5.2971 6.0283 6.7206 7.3754 7.9943

Columns 11 through 15

8.5787 9.1300 9.6494 10.1382 10.5977

Columns 16 through 20

11.0291 11.4335 11.8119 12.1655 12.4952

Columns 21 through 25

12.8021 13.0871 13.3511 13.5950 13.8196

Columns 26 through 30

14.0258 14.2143 14.3859 14.5414 14.6814

Columns 31 through 35

14.8066 13.9654 13.1576 12.3821 11.6377

Columns 36 through 40

10.9233 10.2378 9.5802 8.9495 8.3447

Columns 41 through 45

7.7649 7.2091 6.6766 6.1664 5.6777

Columns 46 through 50

5.2098 4.7619 4.3332 3.9231 3.5309

Columns 51 through 55

3.1559 2.7975 2.4551 2.1280 1.8157

Columns 56 through 60

1.5177 1.2333 0.9622 0.7038 0.4576

Column 61

0.2231