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UBA - CienciaS • Ver Tema - preguntonta
UBACS Q&A Foro WikiCS
Fecha actual 30 Abr 2024, 06:08

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Autor Mensaje
 Asunto: preguntonta
NotaPublicado: 11 Jul 2010, 20:38 
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Registrado: 26 Mar 2009, 14:25
Mensajes: 155
Ubicación: Villa Luro!
¿Es cierto que ?
A mi me suena que si, pero es una respuesta moral, tampoco busqué mucho un contraejemplo, probé con un par y no encontré. Me suena a que se puede demostrar por el hecho que <> se puede escribir como "operaciones con las coordenadas de x,y" y conjugar es distributiva con todas... que se yo...



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 Asunto: Re: preguntonta
NotaPublicado: 11 Jul 2010, 22:23 
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Registrado: 26 Abr 2009, 20:28
Mensajes: 224
Ubicación: Colegiales, Capital Federal
Lo intento hacer por la forma que dijiste vos.
Sea un -espacio vectorial, de dimensión . Sea una base ortonormal de .
Sean , tal que .

Entonces, .


Veamos al otro.



Si no me mandé ninguna macana, es cierto :)



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 Asunto: Re: preguntonta
NotaPublicado: 11 Jul 2010, 22:25 
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Registrado: 26 Mar 2009, 14:25
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Ubicación: Villa Luro!
gracias fjl :). Con eso se reduce mucho un ejercicio que me estaba rompiendo la cabeza :)



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