The following file contains:
**** mysolv.input ****
F := PF 13
VF ==> Vector F
LZ ==> List Integer
fsol(a: List LZ, b: LZ): LZ ==_
x := solve(a :: SquareMatrix(3, F), b :: VF).particular
if x case VF then x :: LZ else [0,0,0] :: LZ
**** End of mysolv.input
The following run outputs an error:
(1) -> )r mysolv
F := PF 13
(1) PrimeField(13)
VF ==> Vector F
LZ ==> List Integer
fsol(a: List LZ, b: LZ): LZ ==_
x := solve(a :: SquareMatrix(3, F), b :: VF).particular
if x case VF then x :: LZ else [0,0,0] :: LZ
Function declaration fsol : (List(List(Integer)), List(Integer)) ->
List(Integer) has been added to workspace.
(5) ->
(5) -> fsol([[1,2,3],[5,7,9],[11,2,8]],[4,0,3])
case is only used for Unions and the object on the left-hand side
does not belong to a union.
(5) ->
Isn't solve.particular of Union type?
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