I dont know why Macaulay 2 runs out of memory while computing Elimination Ideal using Groebner Basis. I wanted to eliminate the variables c and d from the following Ideal
I=(-(8474673938703439/4398046511104)*x0*(x0+(1/6)*v0)*c- (5581550254183427/549755813888)*x0*(x0+(1/6)*v0)^2- (2281495867824793/2199023255552)*x0^2*c- (4360111130855107/274877906944)*x0^2*(x0+(1/6)*v0)+(4450937394599965/274877906944*(x0+(1/6)*v0))*c^2+(5351318451193/536870912)*(x0+(1/6)*v0)^2*c- (2609646323461583/35184372088832)*x0*c^2- (933267886305063/8589934592)*x0- (1388450147834209/8589934592)*v0+(1702103518410083/34359738368)*c +(7864394715856129/68719476736)*d +(1879165463283569/137438953472)*c^3+(8792868996708773/72057594037927936)*(x0+(1/6)*v0)^3- (5295504920300469/274877906944)*x0^3+(3259817633472787/17592186044416)*(x0+(1/6)*v0)^2*d +(7822271269527951/70368744177664*(x0+(1/6)*v0))*d^2+(1405573029741381/274877906944)*c^2*d +(1548157948416275/1099511627776)*c*d^2+(6518562366917069/35184372088832)*d^3+(6518832823657031/4398046511104*(x0+(1/6)*v0))*c*d, (2770525926798389/1099511627776)*c*d*e- (7700097512068423/4951760157141521099596496896*(x0+(1/6)*v0))*c*d +(3957915478690097/17179869184)*e- (977783904170039/2199023255552)*x0^2*c-(6005324731733779/8589934592)*c +(7496343364528573/2199023255552)*d*e^2+(6518559341053457/4398046511104)*e^3+(8678950429034273/17179869184)*x0+(250503680012203/6442450944)*v0- (8901820354568251/549755813888)*(x0+(1/6)*v0)^2*c- (3259841135311829/8796093022208)*x0*c^2+(7516764948676761/549755813888)*c^2*d +(1112727544321031/68719476736)*c*d^2+(2739797934826943/274877906944)*d^3+(3942208516127815/309485009821345068724781056)*c^3+(6519682270623645/17592186044416)*c^2*e +(2606335978261903/35184372088832*(x0+(1/6)*v0))*d^2+(799718413162051/17179869184)*d- (7516764948676761/549755813888*(x0+(1/6)*v0))*c^2+(6274181401564567/1099511627776)*d^2*e- (5541051853596783/2199023255552)*x0*(x0+(1/6)*v0)*c +(7822271233360309/17592186044416)*c*e^2- (2739797934826943/274877906944)*(x0+(1/6)*v0)^3- (784272675195571/137438953472)*x0*(x0+(1/6)*v0)^2- (7496343364528573/2199023255552)*x0^2*(x0+(1/6)*v0)- (407409958815841/274877906944)*x0^3- (651583994565483/8796093022208)*(x0+(1/6)*v0)^2*d, - (1405573029741381/274877906944*(x0+(1/6)*v0))*c^2- (3096315896832551/2199023255552)*(x0+(1/6)*v0)^2*c +(4645173359357791/34359738368)*x0+(4645173359357791/206158430208)*v0+(8118784864791683/34359738368)*c- (8330743905224927/8589934592)*d+(701882710245879/1073741824)*e +(8474673938703411/4398046511104)*c*d*e +(5295504920300471/274877906944)*e^3-(117447841455223/8589934592)*c^3- (6518562366917073/35184372088832)*(x0+(1/6)*v0)^3- (7822271269527953/70368744177664)*(x0+(1/6)*v0)^2*d- (6519635266945587/35184372088832*(x0+(1/6)*v0))*d^2- (4450937394599965/274877906944)*c^2*d- (5479750094021633/549755813888)*c*d^2- (1099108624534215/9007199254740992)*d^3- (3259416411828517/2199023255552*(x0+(1/6)*v0))*c*d +(2609646323461523/35184372088832)*c^2*e +(2281495867824791/2199023255552)*c*e^2+(5450732670101/536870912)*d^2*e +(4360111130855107/274877906944)*d*e^2) It says "out of memory:exiting". Can someone help me out. Is there a problem with my installation. Parikshit --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-forum URLs: http://sage.math.washington.edu/sage/ and http://sage.scipy.org/sage/ -~----------~----~----~----~------~----~------~--~---
