EEGR $322$

EXAMPLE $1\mathrm{.}4$

An Alternating

Exponential

Sequence

Solution

a$.$ The MATLAB script and the resulting plot $($Figure E$1\mathrm{.}4$a$)$ are as follows:

Profect $1$

$($Spring $2024)$

a$.$ Write a MAILAB script to generate and plot the sequence $f(n)-A(a{)}^n$

with $A-10$ and $a=-0\mathrm{.}9$ for $-10n10.$

b$.$ Write a MATLAB script to generate and plot the sequence $g(n)-$

$A(a{)}^{n}u(n)$ with $A-10$ and $a=-0\mathrm{.}9$ for $-10n20.$

Solution

a$.$ The MATLAB script and the resulting plot $($Figure E$1\mathrm{.}4$a$)$ are as follows:

Problems

Correct the matlab

scmpts proorded to

the left and produre

figures E$1\mathrm{.}4$a &$E1\mathrm{.}4$

Plot and lakeel

the following spnal

In the ranpe $-10n10$

a$)$

MATLAB Script

IE$1\_4$ Alternating exponential sequences

IE$1\_4$a

$t=10**(-0\mathrm{.}9),,t=[10**(-0\mathrm{.}9{)}^{**}(-10)dots10**(-0\mathrm{.}9{)}^{-10}]$

Contiaues

FGURE E$1\mathrm{.}4$a Exponental sequence

$1$