Make default functions `lambda_x` : `lambda`
Our current nonequilibrium switching protocol changes LJ and then electrostatics, which is not symmetric. We should simply change to the protocol `lambda` for now
diff --git a/perses/distributed/relative_setup.py b/perses/distributed/relative_setup.py
index 67346e51..d30e545f 100644
--- a/perses/distributed/relative_setup.py
+++ b/perses/distributed/relative_setup.py
@@ -327,8 +327,8 @@ class NonequilibriumSwitchingFEP(object):
     """
 
     default_forward_functions = {
-        'lambda_sterics' : '2*lambda * step(0.5 - lambda) + (1.0 - step(0.5 - lambda))',
-        'lambda_electrostatics' : '2*(lambda - 0.5) * step(lambda - 0.5)',
+        'lambda_sterics' : 'lambda',
+        'lambda_electrostatics' : 'lambda',
         'lambda_bonds' : 'lambda',
         'lambda_angles' : 'lambda',
         'lambda_torsions' : 'lambda'
@@ -464,6 +464,3 @@ if __name__=="__main__":
     ne_fep.run_nonequilibrium_task()
     ne_fep.run_equilibrium()
     ne_fep.collect_ne_work()
-
-
-
['perses/distributed/relative_setup.py']