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Web skærmformat. - Aarhus Universitet

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IV. Differentialligninger – 1. Grafiske/numeriske metoder 316<br />

Skitsen kaldes et retningsfelt.<br />

1.10. Grafisk løsning ☞ [S] 7.2 Direction fields and Euler’s method<br />

Retningsfelt<br />

y<br />

0 1<br />

I punktet (x,y) tegnes et kort linjestykke med hældning y ′ (x) = x + y. En graf skitseres.<br />

1<br />

1.11. Grafisk løsning ☞ [S] 7.2 Direction fields. . .<br />

Eksempel - Retningsfelt<br />

dy<br />

dx = x3 y + e xy<br />

x

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