Add more support for 2 dimensional arrays

notebooks/Pysim/Block.py

@@ -114,7 +114,7 @@ class SquareSignal(Block):
             
                     
     def Step(self,t,dt):
-            d = t/self.Ts-floor(t/self.Ts);
+            d = t/self.Ts-int(t/self.Ts);
             if d > self.duty:
                   self.y[0] = self.lo;
             else:
@@ -451,7 +451,13 @@ class StateSpace(Block):
                 else:
                     print("WARNING: Can not handle self.C with dimension "+str(self.C.ndim))
             for j in range(0,self.ninput):
+                if self.C.ndim == 1:
                     self.y[i] = self.y[i] + self.D[j]*self.u[j]
+                elif self.C.ndim == 2:
+                    #prevent [ValueError: setting an array element with a sequence.] for 2 dimensional self.C:
+                    self.y[i] = self.y[i] + self.D[i][j]*self.u[j]
+                else:
+                    print("WARNING: Can not handle self.D with dimension "+str(self.C.ndim))
         self.updatestate(t,dt)                
         
     def Reset(self):