Re: Wrong behaviour in package Algebra`AlgebraicInequalities`
- To: mathgroup at smc.vnet.net
- Subject: [mg14949] Re: Wrong behaviour in package Algebra`AlgebraicInequalities`
- From: "Dale Horton" <daleh>
- Date: Fri, 27 Nov 1998 03:49:46 -0500
- Organization: Wolfram Research, Inc.
- References: <7335f0$rvu@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
See http://www.wolfram.com/support/Packages/Utilities/SubscriptedVariables.html -Dale Julian Stoev wrote in message <7335f0$rvu at smc.vnet.net>... Dear All, Here I will give two examples. They should give identical results, but the second one fails. It has varaibles with subscripts. In[44]:= SemialgebraicComponents[{(1*L1*(L2*L1 - L12^2))/8 > 0, L12 > 0}, {L1, L2, L12}] Out[44]= 1 {{-1, -1, 2}, {-1, 1, 1}, {1, 1, -}} 8 In[45]:= SemialgebraicComponents[{(1*Subscript[L, 1]* (Subscript[L, 2]*Subscript[L, 1] - Subscript[L, 12]^2))/8 > 0, Subscript[L, 12] > 0}, {Subscript[L, 1], Subscript[L, 2], Subscript[L, 12]}] Part::partd: Part specification 1[[1]] is longer than depth of object. Part::partd: Part specification 1[[2]] is longer than depth of object. Part::partd: Part specification 1[[1]] is longer than depth of object. General::stop: Further output of Part::partd will be suppressed during this calculation. Out[45]= 2 {{-1, -1, L}, {-1, -1, (-1)[[1]]}, {-1, -1, -L }, 12 2 {-1, 1, L}, {-1, 1, (-1)[[1]]}, {-1, 1, -L }, {1, -1, L}, 12 2 {1, -1, 1[[1]]}, {1, -1, -L }, {1, 1, L}, {1, 1, 1[[1]]}, 12 2 {1, 1, -L }} 12 Thank you for your attention! --Julian Stoev