uke 43 taylorpolynomer kap 4.9 +4.10 Flashcards

1
Q

formelen for lineær approksimasjon

A

f(a)+f’(a)(x-a)

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2
Q

Feilleddet for lineær approksimasjon

A

((f’‘(a))/2)*(x-a)^2

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3
Q

Taylor polynom definisjonen

A

f(a)+f’(a)(x-a)+((f’‘(a))/2)(x-a)^2+…+((f^(n+1)(a))/n!)(x-a)^(n+1)

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4
Q

stor O-notasjon

A

f(x)=Pn(x)+O(x-a)^(n+1)

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5
Q

maclaurin for e^x

A

1+x+(x^2)/2!+(x^3)/3!+… +O(x^(n+1))

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6
Q

maclaurin for cos x

A

1-(x^2)/2!+(x^4)/4!-…+(-1)^n*(x^2n)/(2n)+O(x^(2n+2))

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7
Q

maclaurin for sin x

A

1-(x^3)/3!+(x^5)/5!-…+(-1)^n*(x^(2n+1))/(2n+1)+O(x^(2n+2))

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8
Q

maclaurin for 1/(1-x)

A

1+x+x^2+x^3+…+x^n+O(x^(2n+2))

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9
Q

maclaurin for ln(1+x)

A

x-(x^2)/2+(x^3)/3-…+(-1)^(n-1) *(x^n)/(n)+O(x^(2n+2))

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