天气预报 > 其他 > log对数有哪些基本定理
log对数有哪些基本定理
更新时间: 2020-10-02 00:00:00  

log对数函数有以下几个基本定理:

1、最常用的乘法变加法公式:logMN等于logM加logN,意思为以1为底M和N乘积的对数等于以1为底M的对数加上以1为底N的对数。

2、幂变乘法公式:以1为底M的a次方的对数等于a倍的以1为底M的对数。

3、换底公式:以a为低b为真数的以1为底的对数等于以1为底b的对数除以以1为底a的对数。

关键词: log 对数 哪些 基本 定理

log对数有哪些基本定理相关经验

天气预报

最新推荐

页面:/news/view-2077390/ | 耗时:0.5264 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2077390 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2077390 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2077390 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1066170,1853797,1068220,1104438,1103708,1116727,1108365,2506921,1120542,1123559,1053204,1060355,1080805,1075492,1085850,907811,1052349,1298466,1128469,1367811,1902737,1092454,1127757,1127407,1090388,1076662,1123827,1128231,1120988,197360) ORDER BY field (ArticleID,1066170,1853797,1068220,1104438,1103708,1116727,1108365,2506921,1120542,1123559,1053204,1060355,1080805,1075492,1085850,907811,1052349,1298466,1128469,1367811,1902737,1092454,1127757,1127407,1090388,1076662,1123827,1128231,1120988,197360)