- Timestamp:
- Oct 13, 2016, 3:56:34 PM (8 years ago)
- Branches:
- (u'spielwiese', '17f1d200f27c5bd38f5dfc6e8a0879242279d1d8')
- Children:
- 488bf28ce21dbdca62e23e85309e403e926731b0
- Parents:
- 0750b0232fb64224c4524f35243e993f0bbfc3fa
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- 1 edited
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Singular/LIB/grobcov.lib
r0750b02 r999d8e2 733 733 locusdg, envelop, WLemma, and killed before the output. The user does not need to call it. 734 734 The basering R, must be of the form Q[a][x], (a=parameters, x=variables), and should be defined previously. 735 KEYWORDS: ring ; rings;735 KEYWORDS: ring 736 736 EXAMPLE: setglobalrings; shows an example" 737 737 { … … 837 837 m*f=r+sum(q.F), 838 838 and no lpp of a divisor divides a pp of r. 839 KEYWORDS: division; reduce ;839 KEYWORDS: division; reduce 840 840 EXAMPLE: pdivi; shows an example" 841 841 { … … 1065 1065 RETURN: a reduced polynomial g of f, whose coefficients are reduced modulo E and having no factor in N. 1066 1066 NOTE: Should be called from ring Q[a][x]. Ideals E and N must be given by polynomials in Q[a]. 1067 KEYWORDS: division; pdivi; reduce ;1067 KEYWORDS: division; pdivi; reduce 1068 1068 EXAMPLE: pnormalf; shows an example" 1069 1069 { … … 1372 1372 RETURN: The canonical C-representation [P,Q] of the locally closed set, formed by a pair of radical ideals with P 1373 1373 included in Q, representing the set V(P) - V(Q) = V(N) - V(M) 1374 KEYWORDS: locally closed set; canoncial form ;1374 KEYWORDS: locally closed set; canoncial form 1375 1375 EXAMPLE: Crep; shows an example" 1376 1376 { … … 1461 1461 Output: [Comp_1, .. , Comp_s ] where 1462 1462 Comp_i=[p_i,[p_i1,..,p_is_i]] 1463 KEYWORDS: locally closed set; canoncial form ;1463 KEYWORDS: locally closed set; canoncial form 1464 1464 EXAMPLE: Prep; shows an example" 1465 1465 { … … 1550 1550 RETURN:The canonical C-representation [P,Q] of the locally closed set. A pair of radical ideals with P included in Q, 1551 1551 representing the set V(P) - V(Q) 1552 KEYWORDS: locally closed set; canoncial form ;1552 KEYWORDS: locally closed set; canoncial form 1553 1553 EXAMPLE: PtoCrep; shows an example" 1554 1554 { … … 1665 1665 expensive (\"can\",0-1,\"out\",0). 1666 1666 1667 KEYWORDS: CGS; disjoint; reduced; Comprehensive Groebner System ;1667 KEYWORDS: CGS; disjoint; reduced; Comprehensive Groebner System 1668 1668 EXAMPLE: cgsdr; shows an example" 1669 1669 { … … 2409 2409 NOTE: The basering R, must be of the form Q[a][x], (a=parameters, x=variables), and should be defined previously. 2410 2410 The ideal must be defined on R. 2411 KEYWORDS: Groebner cover; parametric ideal; canonical; discussion of parametric ideal ;2411 KEYWORDS: Groebner cover; parametric ideal; canonical; discussion of parametric ideal 2412 2412 EXAMPLE: grobcov; shows an example" 2413 2413 { … … 2591 2591 The ideals must be defined on R. 2592 2592 KEYWORDS: Groebner cover; parametric ideal; locally closed set; parametric ideal; generic representation; 2593 full representation ;2593 full representation 2594 2594 EXAMPLE: extendpoly; shows an example" 2595 2595 { … … 2727 2727 NOTE: The basering R, must be of the form Q[a][x], (a=parameters, x=variables), and should be defined previously. 2728 2728 The ideal must be defined on R. 2729 KEYWORDS: Groebner cover; parametric ideal; canonical, discussion of parametric ideal; full representation ;2729 KEYWORDS: Groebner cover; parametric ideal; canonical, discussion of parametric ideal; full representation 2730 2730 EXAMPLE: extendGC; shows an example" 2731 2731 { … … 4119 4119 J.M. Brunat, A. Montes. \"Computing the canonical representation of constructible sets.\" 4120 4120 Math. Comput. Sci. (2016) 19: 165-178. 4121 KEYWORDS: constructible set; locally closed set; canonical form ;4121 KEYWORDS: constructible set; locally closed set; canonical form 4122 4122 EXAMPLE: ConsLevels; shows an example" 4123 4123 { … … 4180 4180 RETURN: The levels of the constructible set: 4181 4181 Lc=[ [1,[a1,a2]],[3,[a3,a4]],..,[2l-1,[a_{2l-1},a_{2l}]] ] the list of Levels of S 4182 KEYWORDS: constructible sets; canonical form ;4182 KEYWORDS: constructible sets; canonical form 4183 4183 EXAMPLE: ConsLevelsToLevels shows an example" 4184 4184 { … … 4712 4712 If all levels of a locus are 1, then all subsets are locally closed. 4713 4713 NOTE: The input must be the grobcov of the locus system in generic representation (\"ext\",0), which is the default. 4714 KEYWORDS: geometrical locus; locus; dynamic geometry ;4714 KEYWORDS: geometrical locus; locus; dynamic geometry 4715 4715 EXAMPLE: locus; shows an example" 4716 4716 { … … 4820 4820 The \"Relevant\" components are the \"Normal\" and \"Accumulation\" components of the locus. (See help for 4821 4821 locus). 4822 KEYWORDS: geometrical locus; locus; dynamic geometry ;4822 KEYWORDS: geometrical locus; locus; dynamic geometry 4823 4823 EXAMPLE: locusdg; shows an example" 4824 4824 { … … 4862 4862 - locusdg(locus(grobcov(F))) -> locusto( locusdg(locus(grobcov(F))) ) 4863 4863 - envelop(F,C) -> locusto( envelop(F,C) ) 4864 KEYWORDS: geometrical locus; locus; envelop; string ;4864 KEYWORDS: geometrical locus; locus; envelop; string 4865 4865 EXAMPLE: locusto; shows an example" 4866 4866 { … … 4983 4983 This routine uses the generalized definition of envelop introduced in the book 4984 4984 A. Montes. \"Discussing Parametric Polynomial Systems: The Groebner Cover\" not yet published. 4985 KEYWORDS: geometrical locus; locus; envelop ;4985 KEYWORDS: geometrical locus; locus; envelop 4986 4986 EXAMPLE: envelop; shows an example" 4987 4987 { … … 5200 5200 A. Montes. \"Discussing Parametric Polynomial Systems: The Groebner Cover\". 5201 5201 NOTE: grobcov is called internally. The basering R, must be of the form Q[a][x] (a=parameters, x=variables). 5202 KEYWORDS: geometrical locus; locus; envelop; associated tangent ;5202 KEYWORDS: geometrical locus; locus; envelop; associated tangent 5203 5203 EXAMPLE: AssocTanToEnv; shows an example" 5204 5204 { … … 5354 5354 NOTE: grobcov is called internally. 5355 5355 The basering R, must be of the form Q[a][x] (a=parameters, x=variables). 5356 KEYWORDS: geometrical locus; locus; envelop; associated tangent ;5356 KEYWORDS: geometrical locus; locus; envelop; associated tangent 5357 5357 EXAMPLE: FamElemsAtEnvCompPoints; shows an example" 5358 5358 { … … 5405 5405 poly x: can be a variable or a parameter of the ring. 5406 5406 RETURN: the factorized discriminant of f wrt x for discussing its sign 5407 KEYWORDS: second degree; solve ;5407 KEYWORDS: second degree; solve 5408 5408 EXAMPLE: discrim; shows an example" 5409 5409 { … … 5566 5566 5567 5567 NOTE: The basering R, must be of the form Q[a][x] (a=parameters, x=variables). 5568 KEYWORDS: Wibmer's Lemma ;5568 KEYWORDS: Wibmer's Lemma 5569 5569 EXAMPLE: WLemma; shows an example" 5570 5570 {
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