Update control/xferfcn.py

murrayrm · sawyerbfuller · web-flow · commit d4525a1dac0d · 2023-12-26T11:11:31.000-08:00
Co-authored-by: Sawyer Fuller &lt;58706249+sawyerbfuller@users.noreply.github.com&gt;
diff --git a/control/xferfcn.py b/control/xferfcn.py
@@ -1287,7 +1287,8 @@ def _isstatic(self):
 
 # c2d function contributed by Benjamin White, Oct 2012
 def _c2d_matched(sysC, Ts, **kwargs):
-    if sysC.ninputs > 1 or sysC.noutputs > 1:
+    if not sysC.issiso():
+            raise ControlMIMONotImplemented("Not implemented for MIMO systems")
         raise ValueError("MIMO transfer functions not supported")
 
     # Pole-zero match method of continuous to discrete time conversion
