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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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Pˇríklad: Určete parametry kružnice<br />

|z + 1| = λ|z| λ = 1, λ > 0 .<br />

−1, 0 jsou ˇrídící body, a proto jeden pr˚uměr leží na reálné ose;<br />

periferní body z1 z2 jsou ˇrešením rovnice<br />

z1 = 1<br />

λ−1 ; z2 = 1<br />

−λ−1 .<br />

stˇred: 1 1<br />

2 ( λ−1<br />

<br />

<br />

<br />

+ 1<br />

−λ−1<br />

poloměr: 1<br />

2<br />

1 1<br />

λ−1 + λ+1<br />

1 ) =<br />

<br />

<br />

1<br />

= <br />

2<br />

z + 1 = ±λz<br />

λ 2 −1<br />

2λ<br />

λ2−1 <br />

<br />

<br />

<br />

= |λ|<br />

|λ 2 −1| .<br />

Jan Hamhalter http://math.feld.cvut.cz/hamhalte Matematika pro Kybernetiku <strong>Lecture</strong> Notes 17 / 369

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