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5.1 Some basic algebra
Let
be a general nonlinear, model, i.e. a
mapping from the
dimensional space
of input variables
(model parameters, initial conditions, boundary conditions
such as forcing functions) to the
dimensional space
of
model output variable
(model state, model diagnostics, objective function, ...)
under consideration,
The vectors
and
may be represented w.r.t.
some given basis vectors
and
as
Two routes may be followed to determine the sensitivity of the
output variable
to its input
.
Subsections
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