diff options
Diffstat (limited to 'src/algebra/lodo.spad.pamphlet')
| -rw-r--r-- | src/algebra/lodo.spad.pamphlet | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/algebra/lodo.spad.pamphlet b/src/algebra/lodo.spad.pamphlet index c25901eb..dbf0cdbc 100644 --- a/src/algebra/lodo.spad.pamphlet +++ b/src/algebra/lodo.spad.pamphlet @@ -59,7 +59,7 @@ LinearOrdinaryDifferentialOperatorCategory(A:Ring): Category == adjoint a == ans:% := 0 - while a ^= 0 repeat + while a ~= 0 repeat ans := ans + m1monom(degree a) * leadingCoefficient(a)::% a := reductum a ans @@ -118,7 +118,7 @@ LinearOrdinaryDifferentialOperatorsOps(A, L): Exports == Implementation where killer : (P, N, List V, List P, A -> A) -> L vec2LODO : Vector A -> L - nonTrivial? v == any?(#1 ^= 0, v)$Vector(A) + nonTrivial? v == any?(#1 ~= 0, v)$Vector(A) vec2LODO v == +/[monomial(v.i, (i-1)::N) for i in 1..#v] symmetricPower(l, m, diff) == @@ -164,7 +164,7 @@ LinearOrdinaryDifferentialOperatorsOps(A, L): Exports == Implementation where applyLODO(l, v) == p:P := 0 - while l ^= 0 repeat + while l ~= 0 repeat p := p + monomial(leadingCoefficient(l)::P, differentiate(v, degree l), 1) l := reductum l |