From 9f82ffff7bb43eeb21478ef44fc698404a37a5f0 Mon Sep 17 00:00:00 2001
From: rowanc1 <rowan@visiblegeology.com>
Date: Sat, 26 Apr 2014 23:22:02 -0700
Subject: [PATCH] column concat initial fields.

---
 simpegEM/TDEM/TDEM_b.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/simpegEM/TDEM/TDEM_b.py b/simpegEM/TDEM/TDEM_b.py
index 2e8da6ca..e96525f2 100644
--- a/simpegEM/TDEM/TDEM_b.py
+++ b/simpegEM/TDEM/TDEM_b.py
@@ -37,7 +37,7 @@ class ProblemTDEM_b(BaseTDEMProblem):
 
     def getRHS(self, tInd, F):
         dt = self.timeSteps[tInd]
-        B_n = np.concatenate([F[tx,'b',tInd] for tx in self.survey.txList], axis=1)
+        B_n = np.c_[[F[tx,'b',tInd] for tx in self.survey.txList]].T
         RHS = (1.0/dt)*self.MfMui*B_n
         return RHS