y[n] -0.5y[n-1]-0.36y[n-2]=(-0.4^n) * Unit step
Solve using unilateral Z transform

Question

y[n] -0.5y[n-1]-0.36y[n-2]=(-0.4^n) * Unit stepSolve using unilateral Z transform

Robert · Accepted Answer

Sol:  
                             0.5 1 0.36 2 0.4
n
y n y n y n u n        
On taking the Z-transform both sides,
     
  
 
  
 
   
1 2
1
1 2
1
1 1 2
1 1 1
1
0.5 0.36
1 0.4
1
1 0.5 0.36
1 0.4
1
1 0.4 1 0.5 0.36
1
1 0.4 1 0.4 1 0.

y[n] -0.5y[n-1]-0.36y[n-2]=(-0.4^n) * Unit step Solve using unilateral Z transform

Solution

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