update pam 6

Functions/calc_ber.m

@@ -41,13 +41,13 @@ if length(data_ref) == length(data_in)
     ber = sum(errors)/sum(bits);
 
 else
-    errormsg('Sequence length does not match');
+    error('Sequence length does not match');
 end
 
     function [data_,reference_]=trimseq(data,reference,skipstart,skip_end)
 
         data_  =  logical(data(skipstart+1:end-skip_end,:))';
-    
+
         delta_bits = length(reference) - length(data);
 
         skip_end = max(skip_end,delta_bits);