#4498: Implement a symbolic version of the arg function
-----------------------------------+----------------------------------------
Reporter: TimothyClemans | Owner: somebody
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-wishlist
Component: symbolics | Keywords: beginner, sd35.5
Work_issues: | Upstream: N/A
Reviewer: Karl-Dieter Crisman | Author: Karen T. Kohl
Merged: | Dependencies:
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Comment(by kcrisman):
{{{
File "/Users/karl-dietercrisman/Downloads/sage-4.8.alpha5/devel/sage-
main/sage/symbolic/random_tests.py", line 16:
sage: [f for (one,f,arity) in _mk_full_functions()]
Expected:
[Ei, abs, arccos, arccosh, arccot, arccoth, arccsc, arccsch,
arcsec, arcsech, arcsin, arcsinh, arctan, arctan2, arctanh,
binomial, ceil, conjugate, cos, cosh, cot, coth, csc, csch,
dickman_rho, dilog, dirac_delta, elliptic_e, elliptic_ec,
elliptic_eu, elliptic_f, elliptic_kc, elliptic_pi, erf, exp,
factorial, floor, heaviside, imag_part, integrate,
kronecker_delta, log, polylog, real_part, sec, sech, sgn, sin,
sinh, tan, tanh, unit_step, zeta, zetaderiv]
Got:
[Ei, abs, arccos, arccosh, arccot, arccoth, arccsc, arccsch, arcsec,
arcsech, arcsin, arcsinh, arctan, arctan2, arctanh, arg, binomial, ceil,
conjugate, cos, cosh, cot, coth, csc, csch, dickman_rho, dilog,
dirac_delta, elliptic_e, elliptic_ec, elliptic_eu, elliptic_f,
elliptic_kc, elliptic_pi, erf, exp, factorial, floor, heaviside,
imag_part, integrate, kronecker_delta, log, polylog, real_part, sec, sech,
sgn, sin, sinh, tan, tanh, unit_step, zeta, zetaderiv]
**********************************************************************
File "/Users/karl-dietercrisman/Downloads/sage-4.8.alpha5/devel/sage-
main/sage/symbolic/random_tests.py", line 238:
sage: random_expr(5, verbose=True)
Expected:
About to apply dirac_delta to [1]
About to apply arccsch to [0]
About to apply <built-in function add> to [0, arccsch(0)]
arccsch(0)
Got:
About to apply dirac_delta to [1]
About to apply arcsec to [0]
About to apply <built-in function add> to [0, arcsec(0)]
arcsec(0)
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4498#comment:12>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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