off nat;


load "spde";



depend F,x(1),u(1);


deq(1):=u(1,1) - F;


DEQ(1) := U(1,1) - F$

cresys();


prsys();



GL(1):=DF(ETA(1),U(1))*F
+DF(ETA(1),X(1))
-DF(XI(1),U(1))*F**2
-DF(XI(1),X(1))*F$


The remaining dependencies

XI(1) depends on U(1),X(1)

ETA(1) depends on U(1),X(1)


simpsys();

Determining system is not completely solved


The remaining equations are


GL(1):=DF(ETA(1),U(1))*F
+DF(ETA(1),X(1))
-DF(XI(1),U(1))*F**2
-DF(XI(1),X(1))*F$


The remaining dependencies

XI(1) depends on U(1),X(1)

ETA(1) depends on U(1),X(1)



result();


The differential equation$

DEQ(1):=U(1,1) - F$

The determining system is not completely solved


GL(1):=DF(ETA(1),U(1))*F
+DF(ETA(1),X(1))
-DF(XI(1),U(1))*F**2
-DF(XI(1),X(1))*F$


The remaining dependencies

XI(1) depends on U(1),X(1)

ETA(1) depends on U(1),X(1)






shut ll2;