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Lecture notes 2011 (slides), pdf.file - Katedra matematiky FEL ČVUT

Lecture notes 2011 (slides), pdf.file - Katedra matematiky FEL ČVUT

Lecture notes 2011 (slides), pdf.file - Katedra matematiky FEL ČVUT

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8.26. Pˇríklad. ˇRešte diferenciální rovnici<br />

Fourierova transformace<br />

y ′′ (t) − y(t) = e −t2<br />

−p 2ˆy(p) − ˆy(p) = F{e −t2<br />

}(p) .<br />

−y(t) =<br />

<br />

e −t2<br />

∗ F −1<br />

<br />

1<br />

.<br />

1 + p 2<br />

<br />

(t) .<br />

F −1<br />

<br />

1<br />

1 + p2 <br />

(t) = 1<br />

2 e−|t| .<br />

∞<br />

y(t) = −1/2 e −|t−s| e −s2<br />

ds .<br />

−∞<br />

Jan Hamhalter http://math.feld.cvut.cz/hamhalte Matematika pro Kybernetiku <strong>Lecture</strong> Notes 240 / 369

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