Re: Collecting Positive and Negative Terms
- To: mathgroup at smc.vnet.net
- Subject: [mg112313] Re: Collecting Positive and Negative Terms
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Thu, 9 Sep 2010 04:21:41 -0400 (EDT)
myExpression = -2 a b^5 c^3 - 5 a b^4 c^4 - 2 a b^3 c^5 - 8 a b^4 c^3 \[Alpha] - 17 a b^3 c^4 \[Alpha] - 5 a b^2 c^5 \[Alpha] - 12 a b^3 c^3 \[Alpha]^2 - 21 a b^2 c^4 \[Alpha]^2 - 4 a b c^5 \[Alpha]^2 - 8 a b^2 c^3 \[Alpha]^3 - 11 a b c^4 \[Alpha]^3 - 2 a b c^3 \[Alpha]^4 - 2 a c^4 \[Alpha]^4 - 4 a b^4 c^3 \[Beta] - 4 a b^3 c^4 \[Beta] - 5 a b^4 c^2 \[Alpha] \[Beta] - 27 a b^3 c^3 \[Alpha] \[Beta] - 15 a b^2 c^4 \[Alpha] \[Beta] - 15 a b^3 c^2 \[Alpha]^2 \[Beta] - 50 a b^2 c^3 \[Alpha]^2 \[Beta] - 16 a b c^4 \[Alpha]^2 \[Beta] - 15 a b^2 c^2 \[Alpha]^3 \[Beta] - 35 a b c^3 \[Alpha]^3 \[Beta] - 5 a c^4 \[Alpha]^3 \[Beta] - 5 a b c^2 \[Alpha]^4 \[Beta] - 8 a c^3 \[Alpha]^4 \[Beta] - 2 a b^3 c^3 \[Beta]^2 - 10 a b^3 c^2 \[Alpha] \[Beta]^2 - 15 a b^2 c^3 \[Alpha] \[Beta]^2 - 4 a b^3 c \[Alpha]^2 \[Beta]^2 - 37 a b^2 c^2 \[Alpha]^2 \[Beta]^2 - 24 a b c^3 \[Alpha]^2 \[Beta]^2 - 8 a b^2 c \[Alpha]^3 \[Beta]^2 - 39 a b c^2 \[Alpha]^3 \[Beta]^2 - 10 a c^3 \[Alpha]^3 \[Beta]^2 - 4 a b c \[Alpha]^4 \[Beta]^2 - 12 a c^2 \[Alpha]^4 \[Beta]^2 - 5 a b^2 c^2 \[Alpha] \[Beta]^3 - 8 a b^2 c \[Alpha]^2 \[Beta]^3 - 16 a b c^2 \[Alpha]^2 \[Beta]^3 - 17 a b c \[Alpha]^3 \[Beta]^3 - 10 a c^2 \[Alpha]^3 \[Beta]^3 - 8 a c \[Alpha]^4 \[Beta]^3 - 4 a b c \[Alpha]^2 \[Beta]^4 - 2 a b \[Alpha]^3 \[Beta]^4 - 5 a c \[Alpha]^3 \[Beta]^4 - 2 a \[Alpha]^4 \[Beta]^4 + 8 a^2 b^4 c^3 Subscript[k, 1] + 8 a^2 b^3 c^4 Subscript[k, 1] + 20 a^2 b^3 c^3 \[Alpha] Subscript[k, 1] + 16 a^2 b^2 c^4 \[Alpha] Subscript[k, 1] + 16 a^2 b^2 c^3 \[Alpha]^2 Subscript[k, 1] + 10 a^2 b c^4 \[Alpha]^2 Subscript[k, 1] + 4 a^2 b c^3 \[Alpha]^3 Subscript[k, 1] + 2 a^2 c^4 \[Alpha]^3 Subscript[k, 1] + 8 a^2 b^3 c^3 \[Beta] Subscript[k, 1] + 16 a^2 b^3 c^2 \[Alpha] \[Beta] Subscript[k, 1] + 32 a^2 b^2 c^3 \[Alpha] \[Beta] Subscript[k, 1] + 26 a^2 b^2 c^2 \[Alpha]^2 \[Beta] Subscript[k, 1] + 30 a^2 b c^3 \[Alpha]^2 \[Beta] Subscript[k, 1] + 10 a^2 b c^2 \[Alpha]^3 \[Beta] Subscript[k, 1] + 8 a^2 c^3 \[Alpha]^3 \[Beta] Subscript[k, 1] + 16 a^2 b^2 c^2 \[Alpha] \[Beta]^2 Subscript[k, 1] + 10 a^2 b^2 c \[Alpha]^2 \[Beta]^2 Subscript[k, 1] + 30 a^2 b c^2 \[Alpha]^2 \[Beta]^2 Subscript[k, 1] + 8 a^2 b c \[Alpha]^3 \[Beta]^2 Subscript[k, 1] + 12 a^2 c^2 \[Alpha]^3 \[Beta]^2 Subscript[k, 1] + 10 a^2 b c \[Alpha]^2 \[Beta]^3 Subscript[k, 1] + 2 a^2 b \[Alpha]^3 \[Beta]^3 Subscript[k, 1] + 8 a^2 c \[Alpha]^3 \[Beta]^3 Subscript[k, 1] + 2 a^2 \[Alpha]^3 \[Beta]^4 Subscript[k, 1] + a b^3 c^4 \[Gamma] Subscript[k, 2] + 2 a b^2 c^4 \[Alpha] \[Gamma] Subscript[k, 2] + a b c^4 \[Alpha]^2 \[Gamma] Subscript[k, 2] + 4 a b^3 c^2 \[Alpha] \[Beta] \[Gamma] Subscript[k, 2] + 6 a b^2 c^3 \[Alpha] \[Beta] \[Gamma] Subscript[k, 2] + 10 a b^2 c^2 \[Alpha]^2 \[Beta] \[Gamma] Subscript[k, 2] + 8 a b c^3 \[Alpha]^2 \[Beta] \[Gamma] Subscript[k, 2] + 8 a b c^2 \[Alpha]^3 \[Beta] \[Gamma] Subscript[k, 2] + 2 a c^3 \[Alpha]^3 \[Beta] \[Gamma] Subscript[k, 2] + 2 a c^2 \[Alpha]^4 \[Beta] \[Gamma] Subscript[k, 2] + 4 a b^2 c^2 \[Alpha] \[Beta]^2 \[Gamma] Subscript[k, 2] + 6 a b^2 c \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[k, 2] + 13 a b c^2 \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[k, 2] + 10 a b c \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[k, 2] + 6 a c^2 \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[k, 2] + 4 a c \[Alpha]^4 \[Beta]^2 \[Gamma] Subscript[k, 2] + 6 a b c \[Alpha]^2 \[Beta]^3 \[Gamma] Subscript[k, 2] + 2 a b \[Alpha]^3 \[Beta]^3 \[Gamma] Subscript[k, 2] + 6 a c \[Alpha]^3 \[Beta]^3 \[Gamma] Subscript[k, 2] + 2 a \[Alpha]^4 \[Beta]^3 \[Gamma] Subscript[k, 2] + 2 a \[Alpha]^3 \[Beta]^4 \[Gamma] Subscript[k, 2] - 4 a^2 b^3 c^3 \[Gamma] Subscript[k, 1] Subscript[k, 2] - 6 a^2 b^2 c^3 \[Alpha] \[Gamma] Subscript[k, 1] Subscript[k, 2] - 2 a^2 b c^3 \[Alpha]^2 \[Gamma] Subscript[k, 1] Subscript[k, 2] - 10 a^2 b^2 c^2 \[Alpha] \[Beta] \[Gamma] Subscript[k, 1] Subscript[ k, 2] - 10 a^2 b c^2 \[Alpha]^2 \[Beta] \[Gamma] Subscript[k, 1] Subscript[k, 2] - 2 a^2 c^2 \[Alpha]^3 \[Beta] \[Gamma] Subscript[k, 1] Subscript[k, 2] - 8 a^2 b c \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[k, 1] Subscript[k, 2] - 4 a^2 c \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[k, 1] Subscript[k, 2] - 2 a^2 \[Alpha]^3 \[Beta]^3 \[Gamma] Subscript[k, 1] Subscript[k, 2] - 2 a b c \[Alpha]^2 \[Beta]^2 \[Gamma]^2 \! \*SubsuperscriptBox[\(k\), \(2\), \(2\)] + 16 a^2 b^4 c^3 Subscript[S, 1, 0] + 16 a^2 b^3 c^4 Subscript[S, 1, 0] + 40 a^2 b^3 c^3 \[Alpha] Subscript[S, 1, 0] + 32 a^2 b^2 c^4 \[Alpha] Subscript[S, 1, 0] + 32 a^2 b^2 c^3 \[Alpha]^2 Subscript[S, 1, 0] + 20 a^2 b c^4 \[Alpha]^2 Subscript[S, 1, 0] + 8 a^2 b c^3 \[Alpha]^3 Subscript[S, 1, 0] + 4 a^2 c^4 \[Alpha]^3 Subscript[S, 1, 0] + 16 a^2 b^3 c^3 \[Beta] Subscript[S, 1, 0] + 32 a^2 b^3 c^2 \[Alpha] \[Beta] Subscript[S, 1, 0] + 64 a^2 b^2 c^3 \[Alpha] \[Beta] Subscript[S, 1, 0] + 52 a^2 b^2 c^2 \[Alpha]^2 \[Beta] Subscript[S, 1, 0] + 60 a^2 b c^3 \[Alpha]^2 \[Beta] Subscript[S, 1, 0] + 20 a^2 b c^2 \[Alpha]^3 \[Beta] Subscript[S, 1, 0] + 16 a^2 c^3 \[Alpha]^3 \[Beta] Subscript[S, 1, 0] + 32 a^2 b^2 c^2 \[Alpha] \[Beta]^2 Subscript[S, 1, 0] + 20 a^2 b^2 c \[Alpha]^2 \[Beta]^2 Subscript[S, 1, 0] + 60 a^2 b c^2 \[Alpha]^2 \[Beta]^2 Subscript[S, 1, 0] + 16 a^2 b c \[Alpha]^3 \[Beta]^2 Subscript[S, 1, 0] + 24 a^2 c^2 \[Alpha]^3 \[Beta]^2 Subscript[S, 1, 0] + 20 a^2 b c \[Alpha]^2 \[Beta]^3 Subscript[S, 1, 0] + 4 a^2 b \[Alpha]^3 \[Beta]^3 Subscript[S, 1, 0] + 16 a^2 c \[Alpha]^3 \[Beta]^3 Subscript[S, 1, 0] + 4 a^2 \[Alpha]^3 \[Beta]^4 Subscript[S, 1, 0] - 2 a b^3 c^4 \[Gamma] Subscript[S, 1, 0] - 4 a b^2 c^4 \[Alpha] \[Gamma] Subscript[S, 1, 0] - 2 a b c^4 \[Alpha]^2 \[Gamma] Subscript[S, 1, 0] - 8 a b^3 c^2 \[Alpha] \[Beta] \[Gamma] Subscript[S, 1, 0] - 12 a b^2 c^3 \[Alpha] \[Beta] \[Gamma] Subscript[S, 1, 0] - 20 a b^2 c^2 \[Alpha]^2 \[Beta] \[Gamma] Subscript[S, 1, 0] - 16 a b c^3 \[Alpha]^2 \[Beta] \[Gamma] Subscript[S, 1, 0] - 16 a b c^2 \[Alpha]^3 \[Beta] \[Gamma] Subscript[S, 1, 0] - 4 a c^3 \[Alpha]^3 \[Beta] \[Gamma] Subscript[S, 1, 0] - 4 a c^2 \[Alpha]^4 \[Beta] \[Gamma] Subscript[S, 1, 0] - 8 a b^2 c^2 \[Alpha] \[Beta]^2 \[Gamma] Subscript[S, 1, 0] - 12 a b^2 c \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] - 26 a b c^2 \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] - 20 a b c \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] - 12 a c^2 \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] - 8 a c \[Alpha]^4 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] - 12 a b c \[Alpha]^2 \[Beta]^3 \[Gamma] Subscript[S, 1, 0] - 4 a b \[Alpha]^3 \[Beta]^3 \[Gamma] Subscript[S, 1, 0] - 12 a c \[Alpha]^3 \[Beta]^3 \[Gamma] Subscript[S, 1, 0] - 4 a \[Alpha]^4 \[Beta]^3 \[Gamma] Subscript[S, 1, 0] - 4 a \[Alpha]^3 \[Beta]^4 \[Gamma] Subscript[S, 1, 0] + 8 a^2 b^3 c^3 \[Gamma] Subscript[k, 1] Subscript[S, 1, 0] + 12 a^2 b^2 c^3 \[Alpha] \[Gamma] Subscript[k, 1] Subscript[S, 1, 0] + 4 a^2 b c^3 \[Alpha]^2 \[Gamma] Subscript[k, 1] Subscript[S, 1, 0] + 20 a^2 b^2 c^2 \[Alpha] \[Beta] \[Gamma] Subscript[k, 1] Subscript[S, 1, 0] + 20 a^2 b c^2 \[Alpha]^2 \[Beta] \[Gamma] Subscript[k, 1] Subscript[ S, 1, 0] + 4 a^2 c^2 \[Alpha]^3 \[Beta] \[Gamma] Subscript[k, 1] Subscript[S, 1, 0] + 16 a^2 b c \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[k, 1] Subscript[S, 1, 0] + 8 a^2 c \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[k, 1] Subscript[S, 1, 0] + 4 a^2 \[Alpha]^3 \[Beta]^3 \[Gamma] Subscript[k, 1] Subscript[S, 1, 0] - 8 a^2 b^3 c^3 \[Gamma] Subscript[k, 2] Subscript[S, 1, 0] - 12 a^2 b^2 c^3 \[Alpha] \[Gamma] Subscript[k, 2] Subscript[S, 1, 0] - 4 a^2 b c^3 \[Alpha]^2 \[Gamma] Subscript[k, 2] Subscript[S, 1, 0] - 20 a^2 b^2 c^2 \[Alpha] \[Beta] \[Gamma] Subscript[k, 2] Subscript[S, 1, 0] - 20 a^2 b c^2 \[Alpha]^2 \[Beta] \[Gamma] Subscript[k, 2] Subscript[ S, 1, 0] - 4 a^2 c^2 \[Alpha]^3 \[Beta] \[Gamma] Subscript[k, 2] Subscript[S, 1, 0] - 16 a^2 b c \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[k, 2] Subscript[S, 1, 0] - 8 a^2 c \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[k, 2] Subscript[S, 1, 0] - 4 a^2 \[Alpha]^3 \[Beta]^3 \[Gamma] Subscript[k, 2] Subscript[S, 1, 0] + 4 a b^2 c^2 \[Alpha] \[Beta] \[Gamma]^2 Subscript[k, 2] Subscript[ S, 1, 0] + 4 a b c^2 \[Alpha]^2 \[Beta] \[Gamma]^2 Subscript[k, 2] Subscript[ S, 1, 0] + 8 a b c \[Alpha]^2 \[Beta]^2 \[Gamma]^2 Subscript[k, 2] Subscript[ S, 1, 0] + 4 a c \[Alpha]^3 \[Beta]^2 \[Gamma]^2 Subscript[k, 2] Subscript[S, 1, 0] + 4 a \[Alpha]^3 \[Beta]^3 \[Gamma]^2 Subscript[k, 2] Subscript[S, 1, 0] + 16 a^2 b^3 c^3 \[Gamma] \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] + 24 a^2 b^2 c^3 \[Alpha] \[Gamma] \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] + 8 a^2 b c^3 \[Alpha]^2 \[Gamma] \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] + 40 a^2 b^2 c^2 \[Alpha] \[Beta] \[Gamma] \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] + 40 a^2 b c^2 \[Alpha]^2 \[Beta] \[Gamma] \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] + 8 a^2 c^2 \[Alpha]^3 \[Beta] \[Gamma] \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] + 32 a^2 b c \[Alpha]^2 \[Beta]^2 \[Gamma] \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] + 16 a^2 c \[Alpha]^3 \[Beta]^2 \[Gamma] \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] + 8 a^2 \[Alpha]^3 \[Beta]^3 \[Gamma] \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] - 4 a b^2 c^2 \[Alpha] \[Beta] \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] - 4 a b c^2 \[Alpha]^2 \[Beta] \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] - 8 a b c \[Alpha]^2 \[Beta]^2 \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] - 4 a c \[Alpha]^3 \[Beta]^2 \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] - 4 a \[Alpha]^3 \[Beta]^3 \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] - 16 a^2 b^4 c^3 Subscript[S, 1, tot] - 16 a^2 b^3 c^4 Subscript[S, 1, tot] - 40 a^2 b^3 c^3 \[Alpha] Subscript[S, 1, tot] - 32 a^2 b^2 c^4 \[Alpha] Subscript[S, 1, tot] - 32 a^2 b^2 c^3 \[Alpha]^2 Subscript[S, 1, tot] - 20 a^2 b c^4 \[Alpha]^2 Subscript[S, 1, tot] - 8 a^2 b c^3 \[Alpha]^3 Subscript[S, 1, tot] - 4 a^2 c^4 \[Alpha]^3 Subscript[S, 1, tot] - 16 a^2 b^3 c^3 \[Beta] Subscript[S, 1, tot] - 32 a^2 b^3 c^2 \[Alpha] \[Beta] Subscript[S, 1, tot] - 64 a^2 b^2 c^3 \[Alpha] \[Beta] Subscript[S, 1, tot] - 52 a^2 b^2 c^2 \[Alpha]^2 \[Beta] Subscript[S, 1, tot] - 60 a^2 b c^3 \[Alpha]^2 \[Beta] Subscript[S, 1, tot] - 20 a^2 b c^2 \[Alpha]^3 \[Beta] Subscript[S, 1, tot] - 16 a^2 c^3 \[Alpha]^3 \[Beta] Subscript[S, 1, tot] - 32 a^2 b^2 c^2 \[Alpha] \[Beta]^2 Subscript[S, 1, tot] - 20 a^2 b^2 c \[Alpha]^2 \[Beta]^2 Subscript[S, 1, tot] - 60 a^2 b c^2 \[Alpha]^2 \[Beta]^2 Subscript[S, 1, tot] - 16 a^2 b c \[Alpha]^3 \[Beta]^2 Subscript[S, 1, tot] - 24 a^2 c^2 \[Alpha]^3 \[Beta]^2 Subscript[S, 1, tot] - 20 a^2 b c \[Alpha]^2 \[Beta]^3 Subscript[S, 1, tot] - 4 a^2 b \[Alpha]^3 \[Beta]^3 Subscript[S, 1, tot] - 16 a^2 c \[Alpha]^3 \[Beta]^3 Subscript[S, 1, tot] - 4 a^2 \[Alpha]^3 \[Beta]^4 Subscript[S, 1, tot] + 8 a^2 b^3 c^3 \[Gamma] Subscript[k, 2] Subscript[S, 1, tot] + 12 a^2 b^2 c^3 \[Alpha] \[Gamma] Subscript[k, 2] Subscript[S, 1, tot] + 4 a^2 b c^3 \[Alpha]^2 \[Gamma] Subscript[k, 2] Subscript[ S, 1, tot] + 20 a^2 b^2 c^2 \[Alpha] \[Beta] \[Gamma] Subscript[k, 2] Subscript[ S, 1, tot] + 20 a^2 b c^2 \[Alpha]^2 \[Beta] \[Gamma] Subscript[k, 2] Subscript[ S, 1, tot] + 4 a^2 c^2 \[Alpha]^3 \[Beta] \[Gamma] Subscript[k, 2] Subscript[S, 1, tot] + 16 a^2 b c \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[k, 2] Subscript[ S, 1, tot] + 8 a^2 c \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[k, 2] Subscript[S, 1, tot] + 4 a^2 \[Alpha]^3 \[Beta]^3 \[Gamma] Subscript[k, 2] Subscript[S, 1, tot] - 16 a^2 b^3 c^3 \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, tot] - 24 a^2 b^2 c^3 \[Alpha] \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, tot] - 8 a^2 b c^3 \[Alpha]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, tot] - 40 a^2 b^2 c^2 \[Alpha] \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, tot] - 40 a^2 b c^2 \[Alpha]^2 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, tot] - 8 a^2 c^2 \[Alpha]^3 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[ S, 1, tot] - 32 a^2 b c \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, tot] - 16 a^2 c \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, tot] - 8 a^2 \[Alpha]^3 \[Beta]^3 \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, tot] + 16 a^3 b^4 c^2 Subscript[S, 1, 1] Subscript[S, 2, 0] + 32 a^3 b^3 c^3 Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^3 b^2 c^4 Subscript[S, 1, 1] Subscript[S, 2, 0] + 24 a^3 b^3 c^2 \[Alpha] Subscript[S, 1, 1] Subscript[S, 2, 0] + 40 a^3 b^2 c^3 \[Alpha] Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^3 b c^4 \[Alpha] Subscript[S, 1, 1] Subscript[S, 2, 0] + 8 a^3 b^2 c^2 \[Alpha]^2 Subscript[S, 1, 1] Subscript[S, 2, 0] + 12 a^3 b c^3 \[Alpha]^2 Subscript[S, 1, 1] Subscript[S, 2, 0] + 4 a^3 c^4 \[Alpha]^2 Subscript[S, 1, 1] Subscript[S, 2, 0] + 32 a^3 b^3 c^2 \[Beta] Subscript[S, 1, 1] Subscript[S, 2, 0] + 32 a^3 b^2 c^3 \[Beta] Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^3 b^3 c \[Alpha] \[Beta] Subscript[S, 1, 1] Subscript[S, 2, 0] + 72 a^3 b^2 c^2 \[Alpha] \[Beta] Subscript[S, 1, 1] Subscript[ S, 2, 0] + 48 a^3 b c^3 \[Alpha] \[Beta] Subscript[S, 1, 1] Subscript[S, 2, 0] + 12 a^3 b^2 c \[Alpha]^2 \[Beta] Subscript[S, 1, 1] Subscript[ S, 2, 0] + 32 a^3 b c^2 \[Alpha]^2 \[Beta] Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^3 c^3 \[Alpha]^2 \[Beta] Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^3 b^2 c^2 \[Beta]^2 Subscript[S, 1, 1] Subscript[S, 2, 0] + 32 a^3 b^2 c \[Alpha] \[Beta]^2 Subscript[S, 1, 1] Subscript[S, 2, 0] + 48 a^3 b c^2 \[Alpha] \[Beta]^2 Subscript[S, 1, 1] Subscript[ S, 2, 0] + 4 a^3 b^2 \[Alpha]^2 \[Beta]^2 Subscript[S, 1, 1] Subscript[S, 2, 0] + 28 a^3 b c \[Alpha]^2 \[Beta]^2 Subscript[S, 1, 1] Subscript[ S, 2, 0] + 24 a^3 c^2 \[Alpha]^2 \[Beta]^2 Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^3 b c \[Alpha] \[Beta]^3 Subscript[S, 1, 1] Subscript[S, 2, 0] + 8 a^3 b \[Alpha]^2 \[Beta]^3 Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^3 c \[Alpha]^2 \[Beta]^3 Subscript[S, 1, 1] Subscript[S, 2, 0] + 4 a^3 \[Alpha]^2 \[Beta]^4 Subscript[S, 1, 1] Subscript[S, 2, 0] - 8 a^3 b^3 c^2 \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 8 a^3 b^2 c^3 \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 4 a^3 b^2 c^2 \[Alpha] \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 4 a^3 b c^3 \[Alpha] \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 8 a^3 b^2 c^2 \[Beta] \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 12 a^3 b^2 c \[Alpha] \[Beta] \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 16 a^3 b c^2 \[Alpha] \[Beta] \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 4 a^3 b c \[Alpha]^2 \[Beta] \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 4 a^3 c^2 \[Alpha]^2 \[Beta] \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 12 a^3 b c \[Alpha] \[Beta]^2 \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 4 a^3 b \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 8 a^3 c \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] - 4 a^3 \[Alpha]^2 \[Beta]^3 \[Gamma] Subscript[k, 2] Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^3 b^3 c^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^3 b^2 c^3 \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, 1] Subscript[S, 2, 0] + 8 a^3 b^2 c^2 \[Alpha] \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, 1] Subscript[S, 2, 0] + 8 a^3 b c^3 \[Alpha] \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^3 b^2 c^2 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, 1] Subscript[S, 2, 0] + 24 a^3 b^2 c \[Alpha] \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, 1] Subscript[S, 2, 0] + 32 a^3 b c^2 \[Alpha] \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, 1] Subscript[S, 2, 0] + 8 a^3 b c \[Alpha]^2 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[ S, 1, 1] Subscript[S, 2, 0] + 8 a^3 c^2 \[Alpha]^2 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[ S, 1, 1] Subscript[S, 2, 0] + 24 a^3 b c \[Alpha] \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, 1] Subscript[S, 2, 0] + 8 a^3 b \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[ S, 1, 1] Subscript[S, 2, 0] + 16 a^3 c \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, 1] Subscript[S, 2, 0] + 8 a^3 \[Alpha]^2 \[Beta]^3 \[Gamma] Subscript[S, 1, 0] Subscript[S, 1, 1] Subscript[S, 2, 0] + 16 a^2 b^4 c^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 16 a^2 b^3 c^3 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 40 a^2 b^3 c^2 \[Alpha] \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 32 a^2 b^2 c^3 \[Alpha] \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 32 a^2 b^2 c^2 \[Alpha]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 20 a^2 b c^3 \[Alpha]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 8 a^2 b c^2 \[Alpha]^3 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 4 a^2 c^3 \[Alpha]^3 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 32 a^2 b^3 c^2 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 16 a^2 b^2 c^3 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[ S, 2, 1] + 16 a^2 b^3 c \[Alpha] \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 72 a^2 b^2 c^2 \[Alpha] \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 16 a^2 b c^3 \[Alpha] \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 28 a^2 b^2 c \[Alpha]^2 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 52 a^2 b c^2 \[Alpha]^2 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 4 a^2 c^3 \[Alpha]^2 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[ S, 2, 1] + 12 a^2 b c \[Alpha]^3 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 12 a^2 c^2 \[Alpha]^3 \[Beta] \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 16 a^2 b^2 c^2 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 32 a^2 b^2 c \[Alpha] \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 32 a^2 b c^2 \[Alpha] \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 4 a^2 b^2 \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 40 a^2 b c \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 12 a^2 c^2 \[Alpha]^2 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 4 a^2 b \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[ S, 2, 1] + 12 a^2 c \[Alpha]^3 \[Beta]^2 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 16 a^2 b c \[Alpha] \[Beta]^3 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 8 a^2 b \[Alpha]^2 \[Beta]^3 \[Gamma] Subscript[S, 1, 0] Subscript[ S, 2, 1] + 12 a^2 c \[Alpha]^2 \[Beta]^3 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 4 a^2 \[Alpha]^3 \[Beta]^3 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] + 4 a^2 \[Alpha]^2 \[Beta]^4 \[Gamma] Subscript[S, 1, 0] Subscript[S, 2, 1] - 8 a^2 b^3 c^2 \[Gamma]^2 Subscript[k, 2] Subscript[S, 1, 0] Subscript[S, 2, 1] - 12 a^2 b^2 c^2 \[Alpha] \[Gamma]^2 Subscript[k, 2] Subscript[S, 1, 0] Subscript[S, 2, 1] - 4 a^2 b c^2 \[Alpha]^2 \[Gamma]^2 Subscript[k, 2] Subscript[S, 1, 0] Subscript[S, 2, 1] - 8 a^2 b^2 c^2 \[Beta] \[Gamma]^2 Subscript[k, 2] Subscript[S, 1, 0] Subscript[S, 2, 1] - 12 a^2 b^2 c \[Alpha] \[Beta] \[Gamma]^2 Subscript[k, 2] Subscript[ S, 1, 0] Subscript[S, 2, 1] - 4 a^2 b c^2 \[Alpha] \[Beta] \[Gamma]^2 Subscript[k, 2] Subscript[ S, 1, 0] Subscript[S, 2, 1] - 16 a^2 b c \[Alpha]^2 \[Beta] \[Gamma]^2 Subscript[k, 2] Subscript[ S, 1, 0] Subscript[S, 2, 1] - 4 a^2 c \[Alpha]^3 \[Beta] \[Gamma]^2 Subscript[k, 2] Subscript[S, 1, 0] Subscript[S, 2, 1] - 12 a^2 b c \[Alpha] \[Beta]^2 \[Gamma]^2 Subscript[k, 2] Subscript[ S, 1, 0] Subscript[S, 2, 1] - 4 a^2 b \[Alpha]^2 \[Beta]^2 \[Gamma]^2 Subscript[k, 2] Subscript[ S, 1, 0] Subscript[S, 2, 1] - 4 a^2 c \[Alpha]^2 \[Beta]^2 \[Gamma]^2 Subscript[k, 2] Subscript[ S, 1, 0] Subscript[S, 2, 1] - 4 a^2 \[Alpha]^3 \[Beta]^2 \[Gamma]^2 Subscript[k, 2] Subscript[S, 1, 0] Subscript[S, 2, 1] - 4 a^2 \[Alpha]^2 \[Beta]^3 \[Gamma]^2 Subscript[k, 2] Subscript[S, 1, 0] Subscript[S, 2, 1] + 16 a^2 b^3 c^2 \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 24 a^2 b^2 c^2 \[Alpha] \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 8 a^2 b c^2 \[Alpha]^2 \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 16 a^2 b^2 c^2 \[Beta] \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 24 a^2 b^2 c \[Alpha] \[Beta] \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 8 a^2 b c^2 \[Alpha] \[Beta] \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 32 a^2 b c \[Alpha]^2 \[Beta] \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 8 a^2 c \[Alpha]^3 \[Beta] \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 24 a^2 b c \[Alpha] \[Beta]^2 \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 8 a^2 b \[Alpha]^2 \[Beta]^2 \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 8 a^2 c \[Alpha]^2 \[Beta]^2 \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 8 a^2 \[Alpha]^3 \[Beta]^2 \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1] + 8 a^2 \[Alpha]^2 \[Beta]^3 \[Gamma]^2 \! \*SubsuperscriptBox[\(S\), \(1, 0\), \(2\)] Subscript[S, 2, 1]; expr2 = DeleteCases[myExpression, Times[_Integer?Negative, ___]]; Length[expr2] 185 expr3 = Cases[ myExpression, _?Positive | _Symbol | Times[_?Positive, ___]]; Length[expr3] 183 expr2 - Total[expr3] a b^3 c^4 Subscript[k, 2] \[Gamma]+a b c^4 Subscript[k, 2] \[Alpha]^2 \[Gamma] Bob Hanlon ---- Michael Knudsen <micknudsen at gmail.com> wrote: ============= On Aug 14, 12:32 pm, Albert Retey <a... at gmx-topmail.de> wrote: > Cases[expr, _?Positive | _Symbol | Times[_?Positive, ___]] This may, in fact, be the solution. Thanks for pointing my attention the the subtleties of pattern matching in Mathematica! -- Michael Knudsen -- Bob Hanlon