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Taylorpolynomier Funktion af flere variable

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Udledning <strong>af</strong> formlen for Taylorpolynomiet<br />

I Vi ser med det samme, at a 0 = f (x 0 ). Da<br />

P 0 n (x) = a 1 + 2a 2 (x x 0 ) + 3a 3 (x x 0 ) 2<br />

I fås, at a 1 = f 0 (x 0 ). Da<br />

+4a 4 (x x 0 ) 3 + . . . + na n (x x 0 ) n 1<br />

P 00<br />

n (x) = 2a 2 + 3 2 a 3 (x x 0 ) + 4 3 a 4 (x x 0 ) 2<br />

+ . . . + n (n 1) a n (x x 0 ) n 2<br />

<strong>Taylorpolynomier</strong>.<br />

<strong>Funktion</strong> <strong>af</strong> ‡ere<br />

<strong>variable</strong><br />

Preben Alsholm<br />

<strong>Taylorpolynomier</strong><br />

De…nition <strong>af</strong><br />

Taylorpolynomium<br />

Udledning <strong>af</strong> formlen<br />

for Taylorpolynomiet<br />

Formlen for<br />

Taylorpolynomiet<br />

Eksempel 4.8.2 i<br />

Adams<br />

<strong>Funktion</strong> givet ved<br />

simpel forskrift<br />

<strong>Funktion</strong> givet ved<br />

di¤erentialligning<br />

Taylors formel med<br />

Lagrange’s restled<br />

Vurdering <strong>af</strong> fejlen<br />

ved Taylors formel I<br />

Vurdering <strong>af</strong> fejlen<br />

ved Taylors formel II<br />

Store O-notationen<br />

<strong>Funktion</strong> <strong>af</strong> ‡ere<br />

<strong>variable</strong>

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