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Underdetermined system
English Wikipedia - The Free Encyclopedia
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Underdetermined system
In
mathematics
, a
system of linear equations
or a
system of polynomial equations
is considered
underdetermined
if there are fewer equations than unknowns (in contrast to an
overdetermined system
, where there are more equations than unknowns). The terminology can be explained using the concept of
constraint counting
. Each
unknown
can be seen as an available
degree of freedom
. Each equation introduced into the system can be viewed as a
constraint
that restricts one degree of freedom.
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