Sign Pattern for Generalized Inverses

Enregistré dans:

Détails bibliographiques
Auteur principal:	Bu, Changjiang.
Autres auteurs:	Sun, Lizhu., Wei, Yimin, 19..-
Support:	E-Book
Langue:	Anglais
Publié:	Les Ulis : EDP Sciences, 2021.
Autres localisations:	Voir dans le Sudoc
Accès en ligne:	Accès à l'E-book
Lien:	Autre support: Sign Pattern for Generalized Inverses


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008	210927s2021 xxg \|\|\| \|\|\|\| 00\| 0 eng d
020			\|a 9782759826001
041	0		\|a eng
100	1		\|a Bu, Changjiang.
245	1	0	\|a Sign Pattern for Generalized Inverses \|c Changjiang Bu, Lizhu Sun, Yimin Wei.
260			\|a Les Ulis : \|b EDP Sciences, \|c 2021.
500			\|a Couverture \|u https://static.cyberlibris.com/books_upload/136pix/9782759826001.jpg
500			\|a Titre provenant de la page de titre du document numérique
500			\|a La pagination de l'édition imprimée correspondante est de 234 p.
538			\|a Configuration requise : navigateur internet
700	1		\|a Sun, Lizhu. \|4 aut
700	1		\|a Wei, Yimin, \|d 19..- \|4 aut
776	0		\|t Sign Pattern for Generalized Inverses \|f Changjiang Bu, Lizhu Sun, Yimin Wei \|c Les Ulis \|n EDP Sciences \|d 2021 \|p 1 vol. (234 p.) \|z 978-27-5982-599-8
856	4		\|q HTML \|u https://srvext.uco.fr/login?url=https://univ.scholarvox.com/book/88915205 \|z Accès à l'E-book
993			\|a E-Book
994			\|a BNUM
995			\|a 257544879

foreach (glob($this->path . "/sess_*") as $filename) { if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); } } return true; } /** * 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) { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, "w")) { $return = fwrite($handle, $data); fclose($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. echo 'Cannot write session to ' . $sessFile . "\n"; return false; } }

// 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 true; } /** * 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, $data) { if ($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); }

* * @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'

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Sign Pattern for Generalized Inverses

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