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[Studies in Computational Intelligence 481] Artur Babiarz, Robert Bieda, Karol Jędrasiak, Aleksander Nawrat (auth.), Aleksander Nawrat, Zygmunt Kuś (eds.) - Vision Based Systemsfor UAV Applications (2013, Sprin

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Estimation of Solution of Discrete L<strong>in</strong>ear Time-Vary<strong>in</strong>g System 317<br />

Namely, its elements are as follows<br />

a 11 (n)=s<strong>in</strong>n a 12 (n)= 1<br />

n 3 +10<br />

a 21 (n)= 1<br />

n 2 +20 a 22 (n)=cosn .<br />

Apply<strong>in</strong>g the above-mentioned elements of (A(n)) n∈N to (3) and (4) we obta<strong>in</strong> (5)<br />

<strong>in</strong> the follow<strong>in</strong>g form<br />

a (1)<br />

11 (n) =a 11(n)ã 11 (n)=(a 11 (n)) 2 − 1 = s<strong>in</strong> 2 n − 1<br />

a (1)<br />

12 (n) =a 11(n)ã 12 (n)=(a 11 (n) − 1) a 12 (n)= s<strong>in</strong>n − 1<br />

n 3 + 10<br />

a (1)<br />

21 (n) =a 12(n)ã 11 (n)=a 12 (n)((a 11 (n)) + 1)= s<strong>in</strong>n + 1<br />

n 3 + 10<br />

a (1)<br />

22 (n) =a 12(n)ã 12 (n)=(a 12 (n)) 2 1<br />

=<br />

(n 3 + 10) 2<br />

a (2)<br />

11 (n) =a 21(n)ã 21 (n)=(a 21 (n)) 2 =<br />

1<br />

(n 2 + 20) 2<br />

a (2)<br />

12 (n) =a 21(n)ã 22 (n)=a 21 (n)(a 22 (n)+1) = cosn + 1<br />

n 2 + 20<br />

a (2)<br />

21 (n) =a 22(n)ã 21 (n)=(a 22 (n) − 1) a 21 (n)= cosn − 1<br />

n 2 + 20<br />

a (2)<br />

22 (n) =a 22(n)ã 22 (n)=(a 22 (n)) 2 − 1 = cos 2 n − 1<br />

Despite the fact that<br />

b(n)= 1 2<br />

s<br />

∑<br />

i, j,k=1<br />

∣<br />

∣a (i)<br />

∣ ∣∣<br />

jk (n)+a(i) kj (n) =<br />

1<br />

[∣ ∣ ∣ ∣ ∣ ∣ ∣∣a (1)<br />

∣∣ ∣∣a<br />

11<br />

2<br />

(n)+a(1) 11 (n) (1)<br />

∣∣ ∣∣a +<br />

12 (n)+a(1) 21 (n) (1)<br />

∣∣+<br />

+<br />

21 (n)+a(1) 12 (n) ∣ ∣ ∣ ∣ ∣<br />

∣<br />

∣a (1)<br />

∣∣ ∣∣a<br />

22 (n)+a(1) 22 (n) (2)<br />

∣∣ ∣∣a +<br />

11 (n)+a(2) 11 (n) (2)<br />

∣∣+<br />

+<br />

12 (n)+a(2) 21 (n) ∣ ∣ ∣] ∣<br />

∣a (2)<br />

∣∣ ∣∣a<br />

21 (n)+a(2) 12 (n) (2)<br />

∣∣ +<br />

22 (n)+a(2) 22 (n) =<br />

[<br />

1 ∣∣<br />

s<strong>in</strong> 2 n − 1 + s<strong>in</strong> 2 n − 1 ∣ ∣+ 2<br />

∣ (s<strong>in</strong>n − 1) 1<br />

n 3 + 10 +(s<strong>in</strong>n + 1) 1<br />

n 3 + 10∣ +<br />

∣ ∣ ∣ (s<strong>in</strong>n + 1) 1<br />

n 3 + 10 +(s<strong>in</strong>n − 1) 1<br />

∣∣∣∣ n 3 + 10∣ + 1<br />

(n 3 + 10) 2 + 1 ∣∣∣∣<br />

(n 3 + 10) 2 +<br />

∣ 1<br />

∣(n 2 + 20) 2 + 1 ∣∣∣∣ ∣ (n 2 + 20) 2 +<br />

1<br />

1<br />

∣∣∣<br />

∣n 2 (cosn + 1)+<br />

+ 20 n 2 + 20 (cosn − 1) +

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