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Nonnegative rank (linear algebra)
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Mathematics
Fields of mathematics
Algebra
Linear algebra
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In
linear algebra
, the nonnegative rank of
a
matrix
is
a
measure of the smallest
number
of nonnegative rank-one
matrices
that can be summed to produce the original
matrix
.
A
rank-one
matrix
can be expressed
as
the outer product of two vectors.
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Linear algebra
Algebra
Fields of mathematics
Mathematics
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