tag:blogger.com,1999:blog-264226589944705290.post860820466387580390..comments2023-03-21T03:15:56.988-07:00Comments on God Plays Dice: Notation againMichael Lugohttp://www.blogger.com/profile/15671307315028242949noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-264226589944705290.post-10203695008363672742008-01-08T13:09:00.000-08:002008-01-08T13:09:00.000-08:00"why don't we have a symbol for 1 + 2 + ... + n?" ..."why don't we have a symbol for 1 + 2 + ... + n?" as this sum is the nth triangle number I've always used a triangle subscripted by n (or as a function like t(n) where t is a triangle). I have saw this used in a book somewhere but I don't remember where.<BR/><BR/>And btw I always start with 0 so it makes sense to talk about 0 as the 0th triangle number.yleehttps://www.blogger.com/profile/14335969938033344335noreply@blogger.comtag:blogger.com,1999:blog-264226589944705290.post-88819123626809794322008-01-01T10:05:00.000-08:002008-01-01T10:05:00.000-08:00It's not clear to me what the 1 in the superscript...<I>It's not clear to me what the 1 in the superscript means</I><BR/><BR/>Step size?John Armstronghttps://www.blogger.com/profile/15177732626660057584noreply@blogger.com