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Out of the Loop

The questions below are due on Sunday March 03, 2019; 11:00:00 PM.
 
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Consider the following system:

Part 1

Assume that the system is initially "at rest" and the input is the unit sample signal:

x[n] = \delta[n] = \begin{cases} 1 & \text{if}~n=0 \\ 0 & \text{otherwise} \end{cases}

Compute the first 5 samples of the output of the system.

y[0] =  

y[1] =  

y[2] =  

y[3] =  

y[4] =  

Part 2

For n > 4, the solution can be written as:

y[n] = ab^n

where a and b are constants. Determine a and b. These numbers will be checked by Python, so you may enter your answers as fractions if necessary.

a =  
b =