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Oct
6
awarded  Yearling
Jan
29
revised Recursive Generating function for enumerating leaf labeled binary trees
added 2 characters in body
Jan
22
revised How to define the term closed-form expression?
added 584 characters in body
Jan
22
comment How to define the term closed-form expression?
@BillDubuque Thanks for the hint! I searched the archive, but couldn't find any similar question (I marked it as duplicated). The answers and comments there confirmed my suspicion, that it is not always meant to be a really precise term. Anyhow, I'll clarify my question a bit.
Jan
22
awarded  Citizen Patrol
Jan
22
revised How to define the term closed-form expression?
edited tags
Jan
22
asked How to define the term closed-form expression?
Dec
30
accepted Deriving recursion from generating function
Dec
26
answered Deriving recursion from generating function
Dec
26
awarded  Commentator
Dec
26
answered What's the goal of mathematics?
Dec
26
asked Deriving recursion from generating function
Dec
22
revised general triangle angles and lengths
added 52 characters in body
Dec
22
comment general triangle angles and lengths
Yes, both is correct.
Dec
22
answered general triangle angles and lengths
Nov
14
answered Exciting games and material to motivate children to math
Nov
14
awarded  Supporter
Nov
14
comment Linear recursion with coefficients depending on n
Sorry, you acutally answered my question completly. I had different expectations and didn't want to see that you are right... ;)
Nov
14
accepted Linear recursion with coefficients depending on n
Nov
12
awarded  Editor