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Builds the DC PTDF matrix for a given choice of slack.
Returns the DC PTDF matrix for a given choice of slack. The matrix is
nbr x nb, where nbr is the number of branches
and nb is the number of buses. The slack can be
a scalar (single slack bus) or an nb x 1 column vector of
weights specifying the proportion of the slack taken up at each bus. If
the slack is not specified the reference bus is used by
default.
For convenience, slack can also be an nb x
nb matrix, where each column specifies how the slack should be
handled for injections at that bus.
See Also:
makeLODF
- Authors:
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Ray Zimmerman (PSERC Cornell),
Richard Lincoln
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