1 La trasformata di Laplace
1 La trasformata di Laplace
1 La trasformata di Laplace
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L[f(t)](s) =∫1 1e −st dt =1 − e 2s01 1 − e −s1 − e −2s s== 1 s11 + e −s Re(s) > 0.2. Consideriamo l'onda quadra mo<strong>di</strong>cata:⎧1 2n ≤ t ≤ 2n + 1, n ≥ 0⎪⎨f(t) = −1 2n + 1 < t < 2n + 2, n ≥ 0⎪⎩0 altrimenti.Allora si ottiene10