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【PPT分享】线性规划问题及其数学模型

  • 2026-11-04 22:42:47
【PPT分享】线性规划问题及其数学模型
1.线性规划问题及其数学模型
2.LP问题的图解法
3.单纯形法的基本思路和原理

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基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-11-10 23:09:32 HTTP/1.1 GET : http://h.sjds.net/a/561301.html
  2. 运行时间 : 0.079315s [ 吞吐率：12.61req/s ] 内存消耗：4,256.77kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=25a87af0380c7706fa2c919feb460673
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  1. CONNECT:[ UseTime:0.000620s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001072s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000463s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000336s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000527s ]
  6. SELECT * FROM `set` [ RunTime:0.000275s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000632s ]
  8. SELECT * FROM `article` WHERE `id` = 561301 LIMIT 1 [ RunTime:0.000378s ]
  9. UPDATE `article` SET `lasttime` = 1794323372 WHERE `id` = 561301 [ RunTime:0.001076s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000307s ]
  11. SELECT * FROM `article` WHERE `id` < 561301 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.007342s ]
  12. SELECT * FROM `article` WHERE `id` > 561301 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000405s ]
  13. SELECT * FROM `article` WHERE `id` < 561301 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000688s ]
  14. SELECT * FROM `article` WHERE `id` < 561301 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000718s ]
  15. SELECT * FROM `article` WHERE `id` < 561301 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000578s ]
0.089319s