- mathematics, an
equation is a
formula that
expresses the
equality of two expressions, by
connecting them with the
equals sign =. The word
equation and its cognates...
- In mathematics, a
differential equation is an
equation that
relates one or more
unknown functions and
their derivatives. In applications, the functions...
- The Schrödinger
equation is a
linear partial differential equation that
governs the wave
function of a quantum-mechanical system.: 1–2 It is a key result...
- In algebra, a
quadratic equation (from
Latin quadratus 'square') is any
equation that can be
rearranged in
standard form as a x 2 + b x + c = 0 {\displaystyle...
-
mathematics and physics, the heat
equation is a
certain partial differential equation.
Solutions of the heat
equation are
sometimes known as
caloric functions...
- In mathematics, a
linear equation is an
equation that may be put in the form a 1 x 1 + … + a n x n + b = 0 , {\displaystyle a_{1}x_{1}+\ldots +a_{n}x_{n}+b=0...
- In physics, the Navier–Stokes
equations (/nævˈjeɪ stoʊks/) are
certain partial differential equations which describe the
motion of
viscous fluid substances...
- In mathematics, a
Diophantine equation is a
polynomial equation,
usually involving two or more unknowns, such that the only
solutions of
interest are...
- The
Drake equation is a
probabilistic argument used to
estimate the
number of active,
communicative extraterrestrial civilizations in the
Milky Way Galaxy...
-
equations, also
known as a
system of
equations or an
equation system, is a
finite set of
equations for
which common solutions are sought. An
equation...