diff --git a/matlab/swz/c-code/mex/modify_for_mex.c b/matlab/swz/c-code/mex/modify_for_mex.c
index 92170b749..c44d5839e 100644
--- a/matlab/swz/c-code/mex/modify_for_mex.c
+++ b/matlab/swz/c-code/mex/modify_for_mex.c
@@ -10,8 +10,10 @@
 #endif
 
 int constant_seed;
+
+/*
 int
-swz_fprintf_stdout(char *msg, ...)
+swz_printf(char *msg, ...)
 {
   int ret;
   va_list ap;
@@ -30,6 +32,28 @@ swz_fprintf_stdout(char *msg, ...)
   return ret;
 }
 
+int
+swz_fprintf_stdout(char *msg, ...)
+{
+  int ret;
+  va_list ap;
+  va_start(ap, msg);
+
+#if defined(MATLAB_MEX_FILE)
+  ret = mexPrintf(msg, ap);
+  mexEvalString("pause(.001);");
+  //  mexEvalString("drawnow;");
+#elif defined(OCTAVE_MEX_FILE)
+  mexPrintf(msg, ap);
+  ret = 1;
+#else
+  ret = vprintf(msg, ap);
+#endif
+
+  va_end(ap);
+  return ret;
+}
+*/
 void
 swz_fprintf_err(char *str, ...)
 {
@@ -42,6 +66,7 @@ swz_fprintf_err(char *str, ...)
 
 #if defined(MATLAB_MEX_FILE) || defined(OCTAVE_MEX_FILE)
   mexPrintf(str, ap);
+  /*  mexEvalString("drawnow;");*/
 #else
   vfprintf(stderr, str, ap);
 #endif
diff --git a/matlab/swz/c-code/mex/modify_for_mex.h b/matlab/swz/c-code/mex/modify_for_mex.h
index 2b8ca72cc..4b1e8e97b 100644
--- a/matlab/swz/c-code/mex/modify_for_mex.h
+++ b/matlab/swz/c-code/mex/modify_for_mex.h
@@ -2,14 +2,16 @@
 #define _MEXMOD
 void swz_exit(int status);
 void swz_fprintf_err(const char * str, ...);
-int swz_fprintf_stdout(char *msg, ...);
+/*int swz_fprintf_stdout(char *msg, ...);*/
+/*int swz_printf(char *msg, ...);*/
 extern int constant_seed;
 #endif
 
-
 #if defined(MATLAB_MEX_FILE) || defined(OCTAVE_MEX_FILE)
-#include "matrix.h"
+/*#include "matrix.h"*/
 #include <dynmex.h>
+#include <dynblas.h>
+#include <dynlapack.h>
 
 /*  //#undef printf   ansi-c*/
 /*  //#define printf swz_printf   ansi-c*/
@@ -21,6 +23,8 @@ extern int constant_seed;
 #define printf mexPrintf
 #define exit swz_exit
 
+#define swz_fprintf_stdout mexPrintf
+
 #undef malloc
 #undef calloc
 #undef realloc
@@ -30,4 +34,8 @@ extern int constant_seed;
 #define calloc mxCalloc
 #define realloc mxRealloc
 #define free mxFree
+
+
+#else
+#define swz_fprintf_stdout printf
 #endif
diff --git a/matlab/swz/sz_prd.m b/matlab/swz/sz_prd.m
index fc0f6242d..ebc8e5fbb 100644
--- a/matlab/swz/sz_prd.m
+++ b/matlab/swz/sz_prd.m
@@ -22,7 +22,7 @@ mhm_spec_path=[swz_root '/mhm_specification'];
 %== Processing control
 %==========================================================================
 % 1 to use standalone, 0 to use mex
-options_.ms.standalone = 0;
+options_.ms.standalone = 1;
 
 %==========================================================================
 %== Output control
@@ -507,14 +507,14 @@ end
 if options_.ms.estimate_msmodel == 1
     if options_.ms.standalone == 1
         if use_linux == 1
-            perform_estimation=[c_path,'/sbvar_estimation -ft ',options_.ms.output_file_tag];
+            perform_estimation=[c_path,'/sbvar_estimation -cseed 5 -ft ',options_.ms.output_file_tag];
             system(perform_estimation);
         else
-            perform_estimation=[c_path,'\sbvar_estimation.exe -ft ',options_.ms.output_file_tag];
+            perform_estimation=[c_path,'\sbvar_estimation.exe -cseed 5 -ft ',options_.ms.output_file_tag];
             dos(perform_estimation)            
         end
     else
-        perform_estimation=['-ft ',options_.ms.output_file_tag];
+        perform_estimation=['-cseed 5 -ft ',options_.ms.output_file_tag];
         mex_sbvar_estimation(perform_estimation);
     end
 end
@@ -528,20 +528,20 @@ if options_.ms.compute_mdd == 1
     swz_write_mhm_input(mhm_file,options_.ms);
     if options_.ms.standalone == 1
         if use_linux == 1
-            compute_mdd1=[c_path,'/sbvar_mhm_1 -ft ',options_.ms.output_file_tag,' -fi ',mhm_file];
+            compute_mdd1=[c_path,'/sbvar_mhm_1 -cseed 5 -ft ',options_.ms.output_file_tag,' -fi ',mhm_file];
             system(compute_mdd1);
-            compute_mdd2=[c_path,'/sbvar_mhm_2 -ft ',options_.ms.output_file_tag,' -d ',int2str(options_.ms.proposal_draws),' -t 3'];
+            compute_mdd2=[c_path,'/sbvar_mhm_2 -cseed 5 -ft ',options_.ms.output_file_tag,' -d ',int2str(options_.ms.proposal_draws),' -t 3'];
             system(compute_mdd2);
         else
-            compute_mdd1=[c_path,'\sbvar_mhm_1.exe -ft ',options_.ms.output_file_tag,' -fi ',mhm_file];
+            compute_mdd1=[c_path,'\sbvar_mhm_1.exe -cseed 5 -ft ',options_.ms.output_file_tag,' -fi ',mhm_file];
             system(compute_mdd1);
-            compute_mdd2=[c_path,'\sbvar_mhm_2.exe -ft ',options_.ms.output_file_tag,' -d ',int2str(options_.ms.proposal_draws),' -t 3'];
+            compute_mdd2=[c_path,'\sbvar_mhm_2.exe -cseed 5 -ft ',options_.ms.output_file_tag,' -d ',int2str(options_.ms.proposal_draws),' -t 3'];
             system(compute_mdd2);            
         end
     else
-        compute_mdd1=['-ft ',options_.ms.output_file_tag,' -fi ',mhm_file];
+        compute_mdd1=['-cseed 5 -ft ',options_.ms.output_file_tag,' -fi ',mhm_file];
         mex_sbvar_mhm_1(compute_mdd1);
-        compute_mdd2=['-ft ',options_.ms.output_file_tag,' -d ',int2str(options_.ms.proposal_draws),' -t 3'];
+        compute_mdd2=['-cseed 5 -ft ',options_.ms.output_file_tag,' -d ',int2str(options_.ms.proposal_draws),' -t 3'];
         mex_sbvar_mhm_2(compute_mdd2);
     end
 end
@@ -571,14 +571,14 @@ end
 if options_.ms.print_draws == 1 %error here as well
     if options_.ms.standalone == 1
         if use_linux == 1
-            print_draws=[c_path,'/sbvar_draws -ft ',options_.ms.output_file_tag,' -i ',int2str(options_.ms.n_draws),' -t ',int2str(options_.ms.thinning_factor)];
+            print_draws=[c_path,'/sbvar_draws -cseed 5 -ft ',options_.ms.output_file_tag,' -i ',int2str(options_.ms.n_draws),' -t ',int2str(options_.ms.thinning_factor)];
             system(print_draws);
         else
-            print_draws=[c_path,'\sbvar_draws -ft ',options_.ms.output_file_tag,' -i ',int2str(options_.ms.n_draws),' -t ',int2str(options_.ms.thinning_factor)];
+            print_draws=[c_path,'\sbvar_draws -cseed 5 -ft ',options_.ms.output_file_tag,' -i ',int2str(options_.ms.n_draws),' -t ',int2str(options_.ms.thinning_factor)];
             system(print_draws);            
         end
     else
-        print_draws=['-ft ',options_.ms.output_file_tag,' -i ',int2str(options_.ms.n_draws),' -t ',int2str(options_.ms.thinning_factor)];
+        print_draws=['-cseed 5 -ft ',options_.ms.output_file_tag,' -i ',int2str(options_.ms.n_draws),' -t ',int2str(options_.ms.thinning_factor)];
         mex_sbvar_draws(print_draws);
     end
 end
\ No newline at end of file