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UBA - CienciaS • Ver Tema - [DUDA!] Sobre determinantes y dependencia lineal
UBACS Q&A Foro WikiCS
Fecha actual 17 May 2024, 22:34

Todos los horarios son UTC - 3 horas




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 Asunto: [DUDA!] Sobre determinantes y dependencia lineal
NotaPublicado: 21 May 2009, 14:04 
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Registrado: 08 Ago 2008, 21:57
Mensajes: 299
Vale que si A tiene alguna fila/columna que es combinación lineal de las restantes (esto es, el conjunto de los vectores fila/columna de A es LD) entonces det A = 0

Bueno... ¿ y la recìproca?

¿Vale que si detA=0 entonces una fila/columna es comb lineal de las restantes?

Duda tìpica de que falten 20 hs para el parcial:S

Ayuda!!

gracias


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 Asunto: Re: [DUDA!] Sobre determinantes y dependencia lineal
NotaPublicado: 21 May 2009, 18:50 
Profesor

Registrado: 08 Ago 2008, 21:57
Mensajes: 299
Creo que es verdad porque pensè esto...

det A = 0 sii rgA distinto de n sii rgA < n sii una columna es comb lineal de las restantes

Puede ser?


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 Asunto: Re: [DUDA!] Sobre determinantes y dependencia lineal
NotaPublicado: 21 May 2009, 20:15 
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Registrado: 17 May 2008, 23:04
Mensajes: 812
Si a todo, con la aclaración



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