— Function File: sys = syssub (Gsys, Hsys)

Return sys = Gsys - Hsys.

Method

Gsys and Hsys are connected in parallel. The input vector is connected to both systems; the outputs are subtracted. Returned system names are those of Gsys.

          +--------+
          +--->|  Gsys  |---+
          |    +--------+   |
          |                +|
          u --+                (_)--> y
          |                -|
          |    +--------+   |
          +--->|  Hsys  |---+
          +--------+