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Python幂法求矩阵的主特征值

2026-01-31 19:09:45

Python幂法求矩阵的主特征值

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请求信息 : 2026-02-08 04:19:40 HTTP/2.0 GET : https://f.mffb.com.cn/a/470615.html
运行时间 : 0.312943s [ 吞吐率：3.20req/s ] 内存消耗：4,667.75kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=610eb65f07f673e3ca6ba8bf0d01dedf

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CONNECT:[ UseTime:0.000972s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001467s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.006638s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.004658s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.001399s ]
SELECT * FROM `set` [ RunTime:0.004085s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.001569s ]
SELECT * FROM `article` WHERE `id` = 470615 LIMIT 1 [ RunTime:0.015440s ]
UPDATE `article` SET `lasttime` = 1770495580 WHERE `id` = 470615 [ RunTime:0.013425s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.007267s ]
SELECT * FROM `article` WHERE `id` < 470615 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001645s ]
SELECT * FROM `article` WHERE `id` > 470615 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.013346s ]
SELECT * FROM `article` WHERE `id` < 470615 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.049137s ]
SELECT * FROM `article` WHERE `id` < 470615 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.069903s ]
SELECT * FROM `article` WHERE `id` < 470615 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.038149s ]

0.314546s

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