rdd3=rdd.flatmap(lambda x: range(x,3)) rdd3.collect() ---展示结果是: [1,2,2] filter:就是过滤 val lines = sc.textFile("F:\\sparktest\\sample.txt").filter(line=>line.contains("zks")) //打印内容 lines.collect().foreach(println(_)); intersection求交集、union求并集:注意类型要...
Recently, Makhnev and Nirova found intersection arrays of distance-regular graphs with \\(\\lambda =2\\) and at most 4096 vertices. In the case of primitive graphs of diameter 3 with \\(\\mu = 1\\) there corresponding arrays are \\(\\{18,15,9;1,1,10\\}\\) , \\(\\{33,...
标量Lambda UDF UDF 的应用场景示例 创建存储过程 存储过程概述 命名存储过程 安全性和权限 返回结果集 管理事务 捕获错误 记录存储过程 限制 PL/pgSQL 语言参考 PL/pgSQL 参考惯例 PL/pgSQL 的结构 支持的 PL/pgSQL 语句 实体化视图 实体化视图查询 自动查询重写以使用实体化视图 外部数据湖表的实体化视图 刷...
zip_with(x, y, lambda_expression)Parameters Parameter Description x The value of this parameter is of the array type. y The value of this parameter is of the array type. lambda_expression The value of this parameter is a lambda expression. For more information, see Lambda expressions. ...
SilverStat This goes for the problem somewhat at a single hit and could possibly benefit from a little more modularisation using Lambda functions. =LET(nodeTable,TAKE(WRAPROWS(TOROW(stiffnessTable),30),,4),elementIndex,SEQUENCE(ROWS(nodeTable)),MAKEARRAY(10,10,LAMBDA(rowIndex,columnIndex,LET...
(IDs)),LAMBDA(DIU,Statement,LET(JE_Template,IF(INDEX(UR_Local,Statement)<0,IF(INDEX(MCcy,Statement),Table_4,Table_2),IF(INDEX(MCcy,Statement),Table_3,Table_1)),VSTACK(DIU,HSTACK("MCcy: "&INDEX(MCcy,Statement),"UR_Local: "&INDEX(UR_Local,Statement),"JE_Template rows:...
(x + "|" + i).iterator |}) scala> rdd2.collect res14: Array[String] = Array(0|3, 1|12) scala>...Array(1, 2) scala> var rdd2 = sc.makeRDD(2 to 3,1) scala> rdd2.collect res20: Array[Int] = Array(2,...3) scala> rdd1.intersection(rdd2).collect res21: Array[Int]...
% the closer in value theta1 is to -log(kepa)/lambda. a = sigma/2; lambda = 3;% Appears to change the gamma graphs gradient/where it is at t = 1. It % also changes the value of theta1 (first intersection). b = -log(kappa)/lambda; ...
Math used to create a mirror array that reflects light into a coherent image. - mirror-array/design_mirror.py at master · peterdsharpe/mirror-array
where\( r_{p} \)is the acoustic reflection coefficient of the ultrasonic wave at the air-specimen interface,\(D_{L} \left( \theta \right)\)is the directivity coefficient of the wave,\(k_{L} = \frac{2\pi }{\lambda }\)is the wave vector,\(\lambda\)is the acoustic wavelength....