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Web skærmformat. - Aarhus Universitet

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IV. Differentialligninger – 1. Grafiske/numeriske metoder 312<br />

1.2. Fri Vækst ☞ [S] 7.1 Modelling with differential equations<br />

Fri vækstmodel<br />

• t tid og P(t) kvantitet<br />

1<br />

Løsninger<br />

C fastlægges ved en begyndelsesværdi.<br />

dP<br />

dt<br />

= kP<br />

P(t) = Ce kt<br />

1.3. Dæmpet vækst ☞ [S] 7.1 Modelling with differential equations<br />

Dæmpet vækstmodel<br />

• t tid og P(t) kvantitet<br />

2<br />

Løsninger<br />

• P ′ ≈ kP for P

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