-
Serenus are
included as a
guide to the
interpretation of the
Conics. The
difficulty of
Conics made an
intellectual niche for
later commentators, each presenting...
-
These are
called degenerate conics and some
authors do not
consider them to be
conics at all.
Unless otherwise stated, "
conic" in this
article will refer...
- and g = 0, the
conics of
equations af + bg = 0 form a pencil,
which contains one or
three degenerate conics. For any
degenerate conic in the real plane...
- of
finding the four
mutual tangents of two
conics reduces to
finding the
intersection of two
conics.
Conic section § General
Cartesian form Quadratic...
- the
conics are
given in the
trilinear coordinates x : y : z. The
conics are
selected as
illustrative of the
several different ways in
which a
conic could...
-
spherical conic is a quartic,
though its
orthogonal projections in
three prin****l axes are
planar conics. Like
planar conics,
spherical conics also satisfy...
-
distances along all
other parallels are stretched.
Conic projections that are
commonly used are:
Equidistant conic,
which keeps parallels evenly spaced along...
- as
generalizations of
central conics,
because for
certain values of λ
these ovals reduce to the
familiar central conics, namely, the circle, the ellipse...
-
degenerate conics,
which require considering the
cylindrical conics.
According to G. B. Halsted, a cone is
generated similarly to a
Steiner conic only with...
-
enumerative geometry, Steiner's
conic problem is the
problem of
finding the
number of
smooth conics tangent to five
given conics in the
plane in
general position...
