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Signals and Systems

Using MATLAB, create and plot the following signals for time 𝑑 = βˆ’10 to 𝑑 = 10.
a) π‘₯1
(𝑑) = 𝑒
βˆ’0.2𝑑
b) π‘₯2
(𝑑) = 1 βˆ’ 𝑒
βˆ’0.2𝑑
c) π‘₯3
(𝑑) = 𝑒
0.2𝑑
d) π‘₯4
(𝑑) = 1 βˆ’ 𝑒
0.2𝑑
e) π‘₯5
(𝑑) = cos(0.5πœ‹π‘‘)
f) π‘₯6
(𝑑) = 𝑒
βˆ’0.2𝑑
cos(0.5πœ‹π‘‘)
g) π‘₯7
(𝑑) =
𝑒
𝑗𝑑+𝑒
βˆ’π‘—π‘‘
2
h) π‘₯8
(𝑑) =
𝑒
π‘—π‘‘βˆ’π‘’
βˆ’π‘—π‘‘
2𝑗
i) π‘₯9
(𝑑) = π‘Ÿπ‘’π‘π‘‘[
𝑑
2
]
j) π‘₯10(𝑑) = cos(0.5πœ‹π‘‘) Γ— π‘Ÿπ‘’π‘π‘‘[
𝑑
2
]
k) π‘₯11(𝑑) = βˆ‘ π‘Ÿπ‘’π‘π‘‘[
π‘‘βˆ’4𝑖
2
]
2
𝑖=βˆ’2
l) π‘₯12(𝑑) = cos(0.5πœ‹π‘‘) Γ— βˆ‘ π‘Ÿπ‘’π‘π‘‘[
π‘‘βˆ’4𝑖
2
]
2
𝑖=βˆ’2

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