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fricas
jb := IJB('x,'u,'p,4,3);
Type: Type
fricas
jbe := JBE jb;
Type: Type
fricas
de := JDE(jb,jbe);
Type: Type
fricas
ck := CKP(jb,jbe);
Type: Type

fricas
eq1:jbe := P(1,[4]) + U(1)*P(1,[1]) + U(2)*P(1,[2]) + U(3)*P(1,[3])
 (1)
Type: JetBundleExpression?(IndexedJetBundle?(x,u,p,4,3))
fricas
eq2:jbe := P(2,[4]) + U(1)*P(2,[1]) + U(2)*P(2,[2]) + U(3)*P(2,[3])
 (2)
Type: JetBundleExpression?(IndexedJetBundle?(x,u,p,4,3))
fricas
eq3:jbe := P(3,[4]) + U(1)*P(3,[1]) + U(2)*P(3,[2]) + U(3)*P(3,[3])
 (3)
Type: JetBundleExpression?(IndexedJetBundle?(x,u,p,4,3))
fricas
eq4:jbe := P(1,[1]) + P(2,[2]) + P(3,[3])
 (4)
Type: JetBundleExpression?(IndexedJetBundle?(x,u,p,4,3))

fricas
euler:de := makeSystem([eq1,eq2,eq3,eq4])
 (5)
Type: JetDifferentialEquation?(IndexedJetBundle?(x,u,p,4,3),JetBundleExpression?(IndexedJetBundle?(x,u,p,4,3)))

fricas
setOutMode(14)$ck  (6) Type: NonNegativeInteger? fricas setSimpMode(1)$ck
 (7)
Type: NonNegativeInteger?

Fix::

fricas
complete(euler)\$ck
 (8)
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 (26)
Type: Void

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