Abstract
Recall that n-ports are described by Au + Bi = 0 with u = (u 1, u 2,..., u n )T, i = =(i 1, i 2, ..., i n )T with r(A|B) = n. This condition for the rank means that the set S = {u 1, u 2, ..., u n , i 1, i 2,..., i n } contains at least one n-element subset so that the corresponding columns of (A|B) are linearly independent. For example, if the first n or the last n columns can be chosen so then our n-port can be described as u = Zi or as i = Yu, respectively.
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© 1989 Springer-Verlag Berlin Heidelberg
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Recski, A. (1989). Applications. In: Matroid Theory and its Applications in Electric Network Theory and in Statics. Algorithms and Combinatorics, vol 6. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-22143-3_12
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DOI: https://doi.org/10.1007/978-3-662-22143-3_12
Publisher Name: Springer, Berlin, Heidelberg
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