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Web skærmformat. - Aarhus Universitet

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I. Differentiation – 5. Gradient 93<br />

y<br />

2<br />

1<br />

0<br />

2<br />

4<br />

f(x,y)=1<br />

Niveaukurver og retning u = ( 1<br />

√ 2 , − 1<br />

√ 2 ). x0 = (2,2) og g(h) = z = f(x0 + hu). Aflæs<br />

støttepunkter:<br />

h −1.7 −0.7 0.0 0.8 1.4 2.0<br />

g(h) 1 0 0.9 2 3 2<br />

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

Grafisk bestemmelse - fortsat<br />

Støttepunkter<br />

giver grafen<br />

h −1.7 −0.7 0.0 0.8 1.4 2.0<br />

g(h) 1 0 0.9 2 3 2<br />

0<br />

1<br />

2<br />

3<br />

2<br />

x

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