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Re: How to detect that a function argument is the default one

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On Thu, Dec 11, 2014 at 11:03 AM, Ian Kelly <ian.g.kelly@gmail.com> wrote:
>
> On Thu, Dec 11, 2014 at 3:02 AM, Jean-Michel Pichavant <
jeanmichel@sequans.com> wrote:
> > I would advise to remove the the mass parameter of your Sphere
initialization. It could be inconsistent with the radius.
> > To compute the mass you would need the radius and the  volumetric mass
density.
>
> You assume a three-dimensional universe. Clearly this is a
two-dimensional "ball" with a density equal to pi/2 mass units per area
unit.

Er. 2/pi.

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How to detect that a function argument is the default one "ast" <nomail@invalid.com> - 2014-12-10 16:14 +0100
  Re: How to detect that a function argument is the default one Skip Montanaro <skip.montanaro@gmail.com> - 2014-12-10 09:29 -0600
    Re: How to detect that a function argument is the default one "ast" <nomail@invalid.com> - 2014-12-10 16:45 +0100
    Re: How to detect that a function argument is the default one Marko Rauhamaa <marko@pacujo.net> - 2014-12-10 18:33 +0200
  Re: How to detect that a function argument is the default one Chris Angelico <rosuav@gmail.com> - 2014-12-11 03:16 +1100
    Re: How to detect that a function argument is the default one wxjmfauth@gmail.com - 2014-12-10 12:08 -0800
    Re: How to detect that a function argument is the default one "ast" <nomail@invalid.com> - 2014-12-10 22:17 +0100
      Re: How to detect that a function argument is the default one Ian Kelly <ian.g.kelly@gmail.com> - 2014-12-11 11:03 -0700
      Re: How to detect that a function argument is the default one Ian Kelly <ian.g.kelly@gmail.com> - 2014-12-11 11:07 -0700
  Re: How to detect that a function argument is the default one Ned Batchelder <ned@nedbatchelder.com> - 2014-12-10 11:19 -0500
  Re: How to detect that a function argument is the default one Ian Kelly <ian.g.kelly@gmail.com> - 2014-12-10 09:20 -0700
  Re: How to detect that a function argument is the default one Tony the Tiger <tony@tiger.invalid> - 2014-12-11 19:45 +0000
    Re: How to detect that a function argument is the default one Ben Finney <ben+python@benfinney.id.au> - 2014-12-12 10:03 +1100

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