如何获得所需订单的清单 [英] How can I get a list of desired order

问题描述

我有两个变量L，m，使得

L =，0 => m = 0

L = 1 => m = -1,0,1

L = 2 => m = -2，-1,0,1 ，2 $ / b $ b（对于L的每个值，m从-L到+ L，增量为1）



现在我想要生成包含订单的列表，例如

list = {{0,0}，{1,0}，{2,0}，{1，-1}，{2，-1}，{ 1,1}，{2,1}，{2，-2}，{2,2}} //

// m的所有值为m = 0

所有L值为m = -1

所有L值为m = 1

所有L值为m = -2

所有L的值为m = 2

此列表的代码应该是什么？在文本

I have the two variables L,m such that
L=,0 => m=0
L=1 =>m=-1,0,1
L=2 =>m = -2,-1,0,1,2
(for each value of L, m is from -L to +L with increment 1)

now I want to generate a list with the order like
list= {{0,0},{1,0},{2,0},{1,-1},{2,-1},{1,1},{2,1},{2,-2},{2,2}}//
//all values of L for m=0
all values of L for m=-1
all values of L for m=1
all values of L for m=-2
all values of L for m=2
What should be the code for this list? kindly help and sorry for mistake in the text

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