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Web skærmformat. - Aarhus Universitet

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I. Differentiation – 7. Lagrangemetoden 155<br />

z<br />

x<br />

2<br />

(3,1, 1)<br />

7.26. Find mindste afstand ☞ [S] 11.8 Lagrange multipliers<br />

Eksempel 4<br />

Bestem ekstremumsværdier af<br />

under bibetingelsen<br />

f(x,y,z) = (x,y,z) − (3,1, −1) 2<br />

= (x − 3) 2 + (y − 1) 2 + (z + 1) 2<br />

g(x,y,z) = x 2 + y 2 + z 2 = 4<br />

7.27. Find mindste afstand ☞ [S] 11.8 Lagrange multipliers<br />

y

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