[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 278: copy(9277df92ec3187c454510802e20f3714.png): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 298: unlink(/9277df92ec3187c454510802e20f3714.dvi): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 299: unlink(/9277df92ec3187c454510802e20f3714.ps): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 300: unlink(/9277df92ec3187c454510802e20f3714.png): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 278: copy(9277df92ec3187c454510802e20f3714.png): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 298: unlink(/9277df92ec3187c454510802e20f3714.dvi): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 299: unlink(/9277df92ec3187c454510802e20f3714.ps): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 300: unlink(/9277df92ec3187c454510802e20f3714.png): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 278: copy(9277df92ec3187c454510802e20f3714.png): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 298: unlink(/9277df92ec3187c454510802e20f3714.dvi): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 299: unlink(/9277df92ec3187c454510802e20f3714.ps): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 300: unlink(/9277df92ec3187c454510802e20f3714.png): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 278: copy(9277df92ec3187c454510802e20f3714.png): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 298: unlink(/9277df92ec3187c454510802e20f3714.dvi): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 299: unlink(/9277df92ec3187c454510802e20f3714.ps): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 300: unlink(/9277df92ec3187c454510802e20f3714.png): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 278: copy(9277df92ec3187c454510802e20f3714.png): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 298: unlink(/9277df92ec3187c454510802e20f3714.dvi): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 299: unlink(/9277df92ec3187c454510802e20f3714.ps): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 300: unlink(/9277df92ec3187c454510802e20f3714.png): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 278: copy(87a76aa02a796e744043e0f42f2ff230.png): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 298: unlink(/87a76aa02a796e744043e0f42f2ff230.dvi): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 299: unlink(/87a76aa02a796e744043e0f42f2ff230.ps): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 300: unlink(/87a76aa02a796e744043e0f42f2ff230.png): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 278: copy(87a76aa02a796e744043e0f42f2ff230.png): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 298: unlink(/87a76aa02a796e744043e0f42f2ff230.dvi): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 299: unlink(/87a76aa02a796e744043e0f42f2ff230.ps): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 300: unlink(/87a76aa02a796e744043e0f42f2ff230.png): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 278: copy(87a76aa02a796e744043e0f42f2ff230.png): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 298: unlink(/87a76aa02a796e744043e0f42f2ff230.dvi): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 299: unlink(/87a76aa02a796e744043e0f42f2ff230.ps): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 300: unlink(/87a76aa02a796e744043e0f42f2ff230.png): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 278: copy(87a76aa02a796e744043e0f42f2ff230.png): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 298: unlink(/87a76aa02a796e744043e0f42f2ff230.dvi): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 299: unlink(/87a76aa02a796e744043e0f42f2ff230.ps): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 300: unlink(/87a76aa02a796e744043e0f42f2ff230.png): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 278: copy(87a76aa02a796e744043e0f42f2ff230.png): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 298: unlink(/87a76aa02a796e744043e0f42f2ff230.dvi): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 299: unlink(/87a76aa02a796e744043e0f42f2ff230.ps): No such file or directory
[phpBB Debug] PHP Warning: in file /var/www/ey/web/forum/latexrender/class.latexrender.php on line 300: unlink(/87a76aa02a796e744043e0f42f2ff230.png): No such file or directory
[phpBB Debug] PHP Warning: in file /generate_feed.php on line 295: Cannot modify header information - headers already sent by (output started at /includes/functions.php:3768)
Latest posts from topic “Calcolare espressione analitica funzione” Latest posts from topic “Calcolare espressione analitica funzione” on “ElectroYou”. 2017-02-19T16:32:39Z https://www.electroyou.it/forum/viewtopic.php?f=7&t=67991 Re: Calcolare espressione analitica funzione https://www.electroyou.it/forum/viewtopic.php?f=7&t=67991#p696126 LoScienziato 2017-02-19T18:13:50Z 2017-02-19T18:13:50Z
[quote="MarkyMark"]Quattro equazioni dovrebbero bastare (in questo caso) per trovare quattro incognite :-)
Puoi risolvere a mente le due equazioni facili (quelle per x=0) e poi risolvere un sistema 2x2 per i due coefficienti rimanenti.


Giusto, ho sbagliato a trascrivere la derivata e mi trovavo con una x di troppo.
Grazie mille
Re: Calcolare espressione analitica funzione https://www.electroyou.it/forum/viewtopic.php?f=7&t=67991#p696123 MarkyMark 2017-02-19T17:52:36Z 2017-02-19T17:52:36Z
Quattro equazioni dovrebbero bastare (in questo caso) per trovare quattro incognite :-)
Puoi risolvere a mente le due equazioni facili (quelle per x=0) e poi risolvere un sistema 2x2 per i due coefficienti rimanenti.
Re: Calcolare espressione analitica funzione https://www.electroyou.it/forum/viewtopic.php?f=7&t=67991#p696121 LoScienziato 2017-02-19T17:46:24Z 2017-02-19T17:46:24Z
[quote="xyz"]Si tratta di una curva spline cubica, qui trovi il metodo di calcolo:

https://en.wikipedia.org/wiki/Spline_in ... bic_spline


Grazie! Non ne avevo mai sentito parlare di questa funzione
Re: Calcolare espressione analitica funzione https://www.electroyou.it/forum/viewtopic.php?f=7&t=67991#p696120 LoScienziato 2017-02-19T17:44:26Z 2017-02-19T17:44:26Z
[quote="MarkyMark"]Ciao,
sai che le funzioni f e g sono dei polinomi di terzo grado quindi si possono scrivere nella forma
[unparseable or potentially dangerous latex formula]

Per determinare i quattro coefficienti servono quattro condizioni che si possono ricavare dal testo:
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]

Discorso analogo per la funzione g. :-)


non ho sufficienti dati per ottenere tuttii coefficienti o sbaglio?

Riesco a ricavare solo che d = 3
Re: Calcolare espressione analitica funzione https://www.electroyou.it/forum/viewtopic.php?f=7&t=67991#p696114 xyz 2017-02-19T17:00:35Z 2017-02-19T17:00:35Z
Si tratta di una curva spline cubica, qui trovi il metodo di calcolo:

https://en.wikipedia.org/wiki/Spline_in ... bic_spline
Re: Calcolare espressione analitica funzione https://www.electroyou.it/forum/viewtopic.php?f=7&t=67991#p696113 MarkyMark 2017-02-19T16:58:30Z 2017-02-19T16:58:30Z
Ciao,
sai che le funzioni f e g sono dei polinomi di terzo grado quindi si possono scrivere nella forma
[unparseable or potentially dangerous latex formula]

Per determinare i quattro coefficienti servono quattro condizioni che si possono ricavare dal testo:
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]

Discorso analogo per la funzione g. :-)
Calcolare espressione analitica funzione https://www.electroyou.it/forum/viewtopic.php?f=7&t=67991#p696107 LoScienziato 2017-02-19T16:32:39Z 2017-02-19T16:32:39Z
Buongiorno,
ho riscontrato problemi relativi al quesito allegato.

Inizio calcolando gli archi delle semicirconferenze

\overline{AB} = 2\pi r = 6\pi dove r = 3

\overline{CD} = 2\pi r = 8\pi dove r = 4

e le loro aree che enventualmente mi serivranno in seguito:

A_{sAB} = \frac{1}{2}\pi r^2 = \frac{9}{2}\pi

A_{sCD} = \frac{1}{2}\pi r^2 = 8\pi

Come affronto il punto a)?

Grazie in anticipo