Ecuaciones diferenciales con problemas de valores en la frontera /

Contenido: Introducción; Ecuaciones de primer orden; Métodos numéricos; Aplicaciones de las ecuaciones de primer orden; Ecuaciones lineales de segundo orden; Aplicaciones de las ecuaciones lineales de segundo orden; Soluciones de ecuaciones lineales de segundo orden en serie de potencias; Transforma...

Täydet tiedot

Tallennettuna:

Bibliografiset tiedot
Päätekijä:	Trench, William F. (autor)
Aineistotyyppi:	Kirja
Kieli:	espanja
Julkaistu:	México : Thomson, 2002, c2002
Aiheet:	Problemas con Valores de Frontera Transformaciones de Laplace Transformaciones (Matemáticas) Series de Potencia Series de Fourier Series (Matemáticas) Ecuaciones Diferenciales Parciales Ecuaciones Diferenciales Ecuaciones Lineales Ecuaciones Análisis Matemático Cálculo Matemáticas
Tagit:	Lisää tagi Ei tageja, Lisää ensimmäinen tagi!

Saatavuus: IT1
Hyllypaikka:	515. 35 TRE
Ejemplar 0500081979	Disponible Préstamo 7 días a 90	Kokoelma: Colección General	Huomautukset: Ubicar en Nivel 1 Área de Colección General

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

Environment & details:

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POST Data empty

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Session

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SessionState	Laminas\Stdlib\ArrayObject {#958}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1525}
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SSL_CIPHER_USEKEYSIZE	"256"
SSL_CIPHER_ALGKEYSIZE	"256"
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SSL_SERVER_M_SERIAL	"0BC3A78C54193CE0888ED01213EB5B19"
SSL_SERVER_V_START	"Aug 15 00:00:00 2025 GMT"
SSL_SERVER_V_END	"Sep 8 23:59:59 2026 GMT"
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SSL_SERVER_I_DN	"CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1,O=DigiCert Inc,C=US"
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SSL_SERVER_A_SIG	"sha256WithRSAEncryption"
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SERVER_ADMIN	"webmaster@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"27742"
REDIRECT_URL	"/vufind/Record/000152733"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/vufind/Record/000152733"
SCRIPT_NAME	"/vufind/index.php"
PHP_SELF	"/vufind/index.php"
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Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
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language	"fi"
VUFIND_SESSION	"anf6gmn6m3clotc03q4h955h27"

Session

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SessionState	Laminas\Stdlib\ArrayObject {#958}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1525}
SessionHelper	Laminas\Stdlib\ArrayObject {#1622}

Server/Request Data

Key	Value
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REDIRECT_HTTPS	"on"
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_VUFIND_ENV	"development"
REDIRECT_SSL_TLS_SNI	"opac.biblio.iteso.mx"
REDIRECT_STATUS	"200"
SCRIPT_URL	"/vufind/Record/000152733"
SCRIPT_URI	"https://opac.biblio.iteso.mx/vufind/Record/000152733"
HTTPS	"on"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
VUFIND_ENV	"development"
SSL_TLS_SNI	"opac.biblio.iteso.mx"
SSL_SERVER_S_DN_C	"MX"
SSL_SERVER_S_DN_ST	"Jalisco"
SSL_SERVER_S_DN_L	"San Pedro Tlaquepaque"
SSL_SERVER_S_DN_O	"ITESO, A.C."
SSL_SERVER_S_DN_CN	"*.biblio.iteso.mx"
SSL_SERVER_I_DN_C	"US"
SSL_SERVER_I_DN_O	"DigiCert Inc"
SSL_SERVER_I_DN_CN	"DigiCert Global G2 TLS RSA SHA256 2020 CA1"
SSL_SERVER_SAN_DNS_0	"*.biblio.iteso.mx"
SSL_SERVER_SAN_DNS_1	"biblio.iteso.mx"
SSL_VERSION_INTERFACE	"mod_ssl/2.4.58"
SSL_VERSION_LIBRARY	"OpenSSL/3.0.13"
SSL_PROTOCOL	"TLSv1.3"
SSL_SECURE_RENEG	"true"
SSL_COMPRESS_METHOD	"NULL"
SSL_CIPHER	"TLS_AES_256_GCM_SHA384"
SSL_CIPHER_EXPORT	"false"
SSL_CIPHER_USEKEYSIZE	"256"
SSL_CIPHER_ALGKEYSIZE	"256"
SSL_CLIENT_VERIFY	"NONE"
SSL_SERVER_M_VERSION	"3"
SSL_SERVER_M_SERIAL	"0BC3A78C54193CE0888ED01213EB5B19"
SSL_SERVER_V_START	"Aug 15 00:00:00 2025 GMT"
SSL_SERVER_V_END	"Sep 8 23:59:59 2026 GMT"
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SSL_SERVER_I_DN	"CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1,O=DigiCert Inc,C=US"
SSL_SERVER_A_KEY	"rsaEncryption"
SSL_SERVER_A_SIG	"sha256WithRSAEncryption"
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SSL_SESSION_RESUMED	"Resumed"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"ui=standard; language=fi; VUFIND_SESSION=anf6gmn6m3clotc03q4h955h27"
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Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Ecuaciones diferenciales con problemas de valores en la frontera /

Samankaltaisia teoksia

Environment & details:

Environment & details: