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Vækstmodeller - KennethHansen.net

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Find: Fordoblingskonstanten T 2<br />

Svar: Det kan gøres på to måder:<br />

1) Aflæs to punkter, hvor den enes y-værdi er dobbelt så stor som den<br />

anden. f.eks. ( x1 , y1)<br />

= ( 3, 9 , 8000)<br />

og ( x2 , y2)<br />

= ( 8, 3 , 16000)<br />

.<br />

T2 = x2 − x1<br />

= 8,3 - 3,9 = 4,4<br />

2) Brug formlen for T 2<br />

T 2 =<br />

log( 2)<br />

log( a )<br />

=<br />

log( 2)<br />

≈ 4,4<br />

log( 1, 1705 )<br />

33

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