Index: trunk/pois/src/poisCalculateEquation.c
===================================================================
--- trunk/pois/src/poisCalculateEquation.c	(revision 6452)
+++ trunk/pois/src/poisCalculateEquation.c	(revision 6891)
@@ -60,4 +60,5 @@
                 psTrace("pois.calculateEquation", 3, "Allocating vector: %d\n", numSolveParams);
                 stamp->vector = psVectorAlloc(numSolveParams, PS_TYPE_F64);
+                stamp->vector->n = numSolveParams;
             }