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in file [ROOT]/includes/bbcode.php on line 489: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 489: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 489: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 489: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 489: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 489: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file 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[ROOT]/includes/functions.php on line 4787: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4789: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4790: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4791: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) UBA - CienciaS • Ver Tema - Final 28-12-2012
Acá les dejo el enunciado de lo que me tomaron ayer. Los que tomaban eran Farinati, Caranto y Armentano.
(1) Calcular , donde es la curva orientada de izquierda a derecha, con y es una función de clase .
(2) (a) Enunciar y demostrar el teorema de Gauss o de la divergencia para una región elemental en . (b) Sean y de clase con . Sea la superficie gráfico de f. Sabiendo que en el borde de , hallar , con (no me lo acuerdo, pero era un campo en tal que ).
(3) (a) Sea la EDO homogénea de segundo orden , con continuas en . Demostrar que el espacio de soluciones reales de la ecuación es un espacio vectorial de dimensión 2.
(b) Hallar explícitamente una base de soluciones de .
Si hay alguna duda sobre algún problema en particular, pregunten nomás.
Saludos! Buen comienzo de 2013!
Chelo3924
Asunto: Re: Final 28-12-2012
Publicado: 13 Feb 2013, 17:32
Vago
Registrado: 06 Ago 2010, 13:25 Mensajes: 5
Hola!! Te hago una consultita: Los finales de Armentano y compañía suelen ser de este estilo? Parece ser muy parecido a cómo toma Lederman. Y sabés si entran los teoremas de unicidad y existencia de solución en ecuaciones diferenciales?
Gracias!
Alejo2
Asunto: Re: Final 28-12-2012
Publicado: 23 Feb 2013, 18:50
Vago
Registrado: 23 Feb 2013, 18:13 Mensajes: 4
Tengo problemas haciendo el 3a), hay que aplicar laguna propiedad en especial o solo haciendo la resolución "general" de ese tipo de EDO? Saludos
Kevin2501
Asunto: Re: Final 28-12-2012
Publicado: 24 Feb 2013, 20:30
Ayudante de Segunda
Registrado: 26 Abr 2012, 09:13 Mensajes: 99
Alejo2
Asunto: Re: Final 28-12-2012
Publicado: 26 Feb 2013, 17:55
Vago
Registrado: 23 Feb 2013, 18:13 Mensajes: 4
Lo revisé y me salió, muchas gracias por la orientación. Saludos
nico093
Asunto: Re: Final 28-12-2012
Publicado: 27 Feb 2013, 19:13
Vago
Registrado: 27 Feb 2013, 19:11 Mensajes: 1
Hola, yo estoy en lo mismo y tengo muchas dificultades con esa demostración. Te molestaría postearla? Te lo agradecería muchísimo!
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