Merge branch 'main' of https://github.com/Jpickard1/python-control

Jpickard1 · Jpickard1 · commit 49779aa2a8ca · 2023-11-27T15:05:59.000-05:00
diff --git a/control/statefbk.py b/control/statefbk.py
@@ -1027,7 +1027,7 @@ def ctrb(A, B, t=None):
     ctrb = np.zeros((n, t * m))
     ctrb[:, :m] = bmat
     for k in range(1, t):
-        ctrb[:, k * m:(k + 1) * m] = np.dot(amat, ctrb[:, (k - 1) * m:k * m])
+        ctrb[:, k * m:(k + 1) * m] = amat @ ctrb[:, (k - 1) * m:k * m]
 
     return _ssmatrix(ctrb)
 
@@ -1070,7 +1070,7 @@ def obsv(A, C, t=None):
     obsv[:p, :] = cmat
         
     for k in range(1, t):
-        obsv[k * p:(k + 1) * p, :] = np.dot(obsv[(k - 1) * p:k * p, :], amat)
+        obsv[k * p:(k + 1) * p, :] = obsv[(k - 1) * p:k * p, :] @ amat
 
     return _ssmatrix(obsv)
 
