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Web skærmformat. - Aarhus Universitet

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I. Differentiation – 5. Gradient 91<br />

direkte<br />

Duf(1,1) = lim<br />

h→0<br />

f(1 + 3<br />

5<br />

(1 +<br />

= lim<br />

h→0<br />

3<br />

= lim<br />

h→0<br />

= 2<br />

4 h,1 + 5h) − f(1,1)<br />

h<br />

5h)2 + 1 + 4<br />

5<br />

h<br />

9 6 4<br />

h + +<br />

25 5 5<br />

h − 2<br />

5.8. Retningsafledt ☞ [S] 11.6 Directional derivatives and the . . .<br />

Eksempel - figur

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