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Matematikk 1

Matematikk 1 - Institutt for matematiske fag - NTNU

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Verktøy : Rekkeutvikling : Taylorrekker<br />

Arbeidshest 3: Taylorrekker<br />

∞ ganger deriverbar funksjon f rekke<br />

∑ f (n) (a)<br />

(x − a) n<br />

n!<br />

For hvilke x konvergerer rekka?(Konvergensradius/intervall)<br />

For hvilke x konvergerer rekka mot f (x)?(Taylorpolynom med restledd<br />

/ Rekkemanipulasjoner.)<br />

Taylorpolynom av orden n i x = a.<br />

n∑ f (k) (a)<br />

P n (x) = (x − a) k<br />

k!<br />

k=0<br />

f (x) = P n (x) + R n (x)<br />

(Taylors formel med restledd.)<br />

LS (IMF) tma4100rep November 25, 2009 14 / 21

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