Raise value error if C != 0 and beta >= 1.

QuantEcon · Sep 18, 2019 · 21738ad · 21738ad
1 parent c5030cf
commit 21738ad
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/quantecon/lqcontrol.py b/quantecon/lqcontrol.py
@@ -145,6 +145,10 @@ def __init__(self, Q, R, A, B, C=None, N=None, beta=1, T=None, Rf=None):
  self.d = None
  self.T = None
 
+ if (self.C != 0).any() and beta >= 1:
+ raise ValueError('beta must be strictly smaller than 1 if ' +
+ 'T = None and C != 0.')
+
  self.F = None
 
  def __repr__(self):