diff --git a/matlab/mex/2007b/A_times_B_kronecker_C.mexa64 b/matlab/mex/2007b/A_times_B_kronecker_C.mexa64
index 3314e232c..9dd6b620c 100755
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diff --git a/matlab/mex/2007b/gensylv.mexa64 b/matlab/mex/2007b/gensylv.mexa64
index 894bdd3a8..03210dfae 100755
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diff --git a/matlab/mex/2007b/mjdgges.mexa64 b/matlab/mex/2007b/mjdgges.mexa64
index fbb2e0bba..d871f2530 100755
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diff --git a/matlab/mex/2007b/simulate.mexa64 b/matlab/mex/2007b/simulate.mexa64
new file mode 100755
index 000000000..afa9012b9
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diff --git a/matlab/mex/2007b/sparse_hessian_times_B_kronecker_C.mexa64 b/matlab/mex/2007b/sparse_hessian_times_B_kronecker_C.mexa64
index 2510d63ce..df86b19d8 100755
Binary files a/matlab/mex/2007b/sparse_hessian_times_B_kronecker_C.mexa64 and b/matlab/mex/2007b/sparse_hessian_times_B_kronecker_C.mexa64 differ
diff --git a/matlab/mex/sources/simulate/linbcg.cc b/matlab/mex/sources/simulate/linbcg.cc
index fd836cb26..f74342f7d 100644
--- a/matlab/mex/sources/simulate/linbcg.cc
+++ b/matlab/mex/sources/simulate/linbcg.cc
@@ -22,7 +22,6 @@
 
 LinBCG::LinBCG()
 {
- ijat_p=NULL;
 }
 
 
diff --git a/matlab/mex/sources/simulate/linbcg.hh b/matlab/mex/sources/simulate/linbcg.hh
index a66aa62e9..c19713185 100644
--- a/matlab/mex/sources/simulate/linbcg.hh
+++ b/matlab/mex/sources/simulate/linbcg.hh
@@ -51,7 +51,7 @@ public:
 	NRVec(const NRVec &rhs);	// Copy constructor
 	NRVec & operator=(const NRVec &rhs);	//assignment
 	NRVec & operator=(const T &a);	//assign a to every element
-	NRVec & operator=(const T* rhs);
+  //	NRVec & operator=(const T* rhs);
 	inline T & operator[](const int i);	//i'th element
 	inline const T & operator[](const int i) const;
 	inline int size() const;