ERROR

Ne pare rău - deși am făcut tot posibilul: a apărut o eroare
Typedatabase
MessageYou have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near "AND SUBSTRING(categories_id,4,1) != "0") AS cat4, (SELECT categorie..." at line 5
QuerySELECT (SELECT categories_id FROM categories_description WHERE language_id = 15 AND categories_id = 000) AS cat1, (SELECT categories_id FROM categories_description WHERE language_id = 15 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2, (SELECT categories_id FROM categories_description WHERE language_id = 15 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3, (SELECT categories_id FROM categories_description WHERE language_id = 15 AND categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4, (SELECT categories_name FROM categories_description WHERE language_id = 15 AND categories_id = 000) AS cat1name, (SELECT categories_name FROM categories_description WHERE language_id = 15 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2name, (SELECT categories_name FROM categories_description WHERE language_id = 15 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3name, (SELECT categories_name FROM categories_description WHERE language_id = 15 AND categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4name, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = 000) AS cat1url, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2url, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3url, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4url, (SELECT wod_count_products FROM categories WHERE categories_id = 000) AS cat1cnt, (SELECT wod_count_products FROM categories WHERE categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2cnt, (SELECT wod_count_products FROM categories WHERE categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3cnt, (SELECT wod_count_products FROM categories WHERE categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4cnt

Roland Gabriel & Brigitte Werners 
Operations Research [PDF ebook] 
Reflexionen aus Theorie und Praxis Festschrift zum 60. Geburtstag von Hans-Jurgen Zimmermann

支持

Die Beiträge dieses Buches beschäftigen sich in wissenschaftlich anspruchsvoller und verständlicher Form mit praktischen Anwendungen und aktuellen theoretischen Entwicklungen des Operations Research und angrenzender Gebiete wie Künstliche Intelligenz und Wirtschaftsinformatik.
Die verschiedenen Abschnitte behandeln schwerpunktmäßig neuere Algorithmen und ihre Anwendungen – etwa Heuristiken und genetische Algorithmen, die Modellierung realer Problemstellungen, Fuzzy Sets-Theorie und ihre Anwendungen, insbesondere in wissensbasierten Systemen, Anwendungen in Investition und Finanzierung sowie Planungs- und Informationssysteme.

€61.82
支付方式
购买此电子书可免费获赠一本!
语言 德语 ● 格式 PDF ● ISBN 9783642789984 ● 编辑 Roland Gabriel & Brigitte Werners ● 出版者 Springer Berlin Heidelberg ● 发布时间 2013 ● 下载 3 时 ● 货币 EUR ● ID 6594422 ● 复制保护 Adobe DRM
需要具备DRM功能的电子书阅读器

来自同一作者的更多电子书 / 编辑

260,259 此类电子书