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Web skærmformat. - Aarhus Universitet

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IV. Differentialligninger – 3. Generelle metoder 362<br />

og<br />

F ′ (0) = k > 0: 0 Ustabil ligevœgt.<br />

F ′ (K) = −k: K Stabil ligevœgt.<br />

F ′ (P) = − 2k<br />

P + k<br />

K<br />

3.28. Logistisk stabilitet ☞ [LA] 18 Stabilitet<br />

Eksempel 1 - figur<br />

P ′<br />

Fasediagram<br />

P ′ = kP(1 − P<br />

K )<br />

P

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