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Forum Maschinenbau Rostock • Thema anzeigen - 29.1

29.1

29.1

Beitragvon uNski » Sa 16. Okt 2010, 21:53

Ja ich hab jetz die Matrix ausgerechnet, müsste ja
200
020
002
sein oder?
Und wie gehe ich jetzt weiter vor?

Danke schonmal.
uNski
 
Beiträge: 31
Registriert: Fr 23. Okt 2009, 12:22

Re: 29.1

Beitragvon Milan » Sa 16. Okt 2010, 21:58

durch die determinate davon siehst du ob das ein minima oder maxima ist
Milan
 
Beiträge: 66
Registriert: Do 22. Okt 2009, 11:42

Re: 29.1

Beitragvon uNski » Sa 16. Okt 2010, 22:03

Ja und ich hab raus, dass die Determinante 0 wird, heißt das jetzt, dass es keine Extrema gibt?
In der Übung wurde ja gesagt, dass die det >0 oder die det A^-1>0 und dann die entsprechende definitheit sein soll.
uNski
 
Beiträge: 31
Registriert: Fr 23. Okt 2009, 12:22

Re: 29.1

Beitragvon Milan » So 17. Okt 2010, 07:40

die det ist = 8
Milan
 
Beiträge: 66
Registriert: Do 22. Okt 2009, 11:42

Re: 29.1

Beitragvon uNski » So 17. Okt 2010, 11:19

Oh falsch berechnet. Danke, hab den Fehler gefunden ;)
uNski
 
Beiträge: 31
Registriert: Fr 23. Okt 2009, 12:22

Re: 29.1

Beitragvon Albert07 » Do 9. Apr 2015, 08:16

a) nach y integriert hab ich 2/3x und dann nach x integriert hab ich 2/3
b) nach y integriert 0 und dem entsprechend 0^^

hab ihrs auch so? bin mir bei b überhaupt nich sicher obs stimmt!
_____________________
Albert07
 
Beiträge: 1
Registriert: Do 9. Apr 2015, 08:14


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