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Web skærmformat. - Aarhus Universitet

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IV. Differentialligninger – 3. Generelle metoder 350<br />

For den logistiske ligning<br />

dP<br />

P<br />

= 0.08P(1 −<br />

dt 1000 )<br />

prøver vi at tilnærme graferne for løsningerne med små tangentstykker.<br />

I et givet punkt (t1,P1) vil en tangent have ligning<br />

P = P1 + 0.08P1(1 − P1<br />

)(t − t1)<br />

1000<br />

3.10. Grafisk løsning ☞ [S] 7.5 The logistic equation

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