天气预报 > 教育 > 点到线的距离计算公式
点到线的距离计算公式
更新时间: 2021-04-25 17:53:37  

1、点到线的距离计算公式:设直线L的方程为Ax+By+C=0,点P的坐标为(x0,y0),则点P到直线L的距离为:考虑点(x0,y0,z0)与空间直线x-x1/l=y-y1/m=z-z1/n,有d=|(x1-x0,y1-y0,z1-z0)×(l,m,n)|/√(l2+m2+n2)。

2、点到直线的距离,即过这一点做目标直线的垂线,由这一点至垂足的距离。

关键词: 距离 计算 公式

点到线的距离计算公式相关经验

天气预报

最新推荐

页面:/news/view-608235/ | 耗时:0.8858 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=608235 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=608235 LIMIT 0,1
select * from tbl_Articles_sphinx where id=608235 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(435664,734453,1093851,100852,1056269,3311487,100419,2618210,1152188,2343437,2221935,893121,600091,3067500,971031,1092408,694767,86096,2964226,358049,2095744,1119694,1964901,358633,1441659,3225952,806089,1141867,86014,3520289) ORDER BY field (ArticleID,435664,734453,1093851,100852,1056269,3311487,100419,2618210,1152188,2343437,2221935,893121,600091,3067500,971031,1092408,694767,86096,2964226,358049,2095744,1119694,1964901,358633,1441659,3225952,806089,1141867,86014,3520289)