Opened 5 years ago

Closed 12 months ago

#15968 closed defect (wontfix)

Fix small issue in Constructions document

Reported by: kcrisman Owned by:
Priority: minor Milestone: sage-duplicate/invalid/wontfix
Component: documentation Keywords:
Cc: Merged in:
Authors: Reviewers: Vincent Delecroix
Report Upstream: N/A Work issues:
Branch: Commit:
Dependencies: Stopgaps:

Description

See this sage-devel thread.

Basically,

Sage uses divisors(n) for the number (usually denoted d(n)) of divisors of n and sigma(n,k) for the sum of the kth powers of the divisors of n (so divisors(n) and sigma(n,0) are the same). For example:

is wrong - we can most easily change this to have

Sage uses divisors(n) for the list of (positive) divisors of n and sigma(n,k) for the sum of the kth powers of the divisors of n (so sum(divisors(n)) and sigma(n,0) are the same). For example:

Change History (5)

comment:1 Changed 5 years ago by vbraun_spam

  • Milestone changed from sage-6.2 to sage-6.3

comment:2 Changed 5 years ago by vbraun_spam

  • Milestone changed from sage-6.3 to sage-6.4

comment:3 Changed 13 months ago by chapoton

  • Milestone changed from sage-6.4 to sage-duplicate/invalid/wontfix
  • Status changed from new to needs_review

comment:4 Changed 13 months ago by vdelecroix

  • Reviewers set to Vincent Delecroix
  • Status changed from needs_review to positive_review

comment:5 Changed 12 months ago by vdelecroix

  • Resolution set to wontfix
  • Status changed from positive_review to closed

closing positively reviewed duplicates

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