diff --git a/Cantera/matlab/cantera/@ThermoPhase/setState_Psat.m b/Cantera/matlab/cantera/@ThermoPhase/setState_Psat.m
new file mode 100644
index 000000000..ec7b77190
--- /dev/null
+++ b/Cantera/matlab/cantera/@ThermoPhase/setState_Psat.m
@@ -0,0 +1,5 @@
+function a = setState_Psat(a,px)
+% SETSTATE_PSAT    Set the fluid to a saturated state at
+% pressure P
+%  
+thermo_set(a.tp_id,24,px);
diff --git a/Cantera/matlab/cantera/@ThermoPhase/setState_Tsat.m b/Cantera/matlab/cantera/@ThermoPhase/setState_Tsat.m
new file mode 100644
index 000000000..4758aa392
--- /dev/null
+++ b/Cantera/matlab/cantera/@ThermoPhase/setState_Tsat.m
@@ -0,0 +1,5 @@
+function a = setState_Tsat(a,tx)
+% SETSTATE_TSAT    Set the fluid to a saturated state at
+% temperature t
+%  
+thermo_set(a.tp_id,25,tx);