#10033: Give references for branch cuts in various symbolic functions
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Reporter: kcrisman | Owner: mvngu
Type: enhancement | Status: new
Priority: minor | Milestone: sage-4.6.1
Component: documentation | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by jpflori):
Here is a reference (available online !):
Abramowitz and Stegun: Handbook of Mathematical Functions
Branch cuts are given in chapter 4. Elementary Transcendental Functions.
Pages 67 (for log), 79 (for inverse trig func) and 86 (for inverse hyper
fun) are of special interest.
A good link on the web :
- GSL http://www.gnu.org/software/gsl/manual/html_node/Complex-
Numbers.html which refers to the above one and some from below
Here are some other links on the internet :
- Mathworld: http://mathworld.wolfram.com/BranchCut.html which refers to
Mathematica
- GNU emacs Calc: http://www.delorie.com/gnu/docs/calc/calc_217.html
referring to Mathematica
- Numpy :
http://docs.scipy.org/doc/numpy/reference/generated/numpy.arccosh.html
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10033#comment:1>
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