Changeset 2808c64 in git
- Timestamp:
- Aug 18, 2008, 12:42:27 PM (15 years ago)
- Branches:
- (u'spielwiese', '828514cf6e480e4bafc26df99217bf2a1ed1ef45')
- Children:
- e1b44456332c70d03de655247dad9a8f801ba0ee
- Parents:
- bdefc5f702885ed73606dd76ac71562a275bdbdf
- Location:
- Singular
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
Singular/LIB/phindex.lib
rbdefc5f r2808c64 1 1 ////////////////////////////////////////////////////////////////////////////// 2 version="$Id: phindex.lib,v 1. 1 2008-08-16 14:18:32Singular Exp $";2 version="$Id: phindex.lib,v 1.2 2008-08-18 10:42:27 Singular Exp $"; 3 3 category=" "; 4 4 info=" 5 5 LIBRARY : phindex.lib Procedures to compute the index of real analytic vector fields 6 7 signatureL(M[,n]); signature of symmetric matrix M, method of Lagrange.8 signatureLqf(h[,n]); signature of quadratic form h, method of Lagrange.9 PH_ais(I) P-H index of real analytic vector field I w. an a. i. s.10 PH_nais(I) P-H index of real analytic vector field I w. a non a. i. s11 [parameters in square brackets are optional]12 6 13 7 NOTE: To compute the Poincare-Hopf index of a real analytic vector field … … 21 15 To compute the signature of a quadratic form (or symmetric matrix) 22 16 we use the method of Lagrange. 17 18 PROCEDURES: 19 signatureL(M[,n]); signature of symmetric matrix M, method of Lagrange. 20 signatureLqf(h[,n]); signature of quadratic form h, method of Lagrange. 21 PH_ais(I) P-H index of real analytic vector field I w. an a. i. s. 22 PH_nais(I) P-H index of real analytic vector field I w. a non a. i. s 23 23 "; 24 24 -
Singular/Makefile.in
rbdefc5f r2808c64 280 280 solve.lib signcond.lib spcurve.lib spectrum.lib standard.lib \ 281 281 stratify.lib surf.lib surfex.lib teachstd.lib toric.lib \ 282 triang.lib rootsur.lib weierstr.lib zeroset.lib 282 triang.lib rootsur.lib weierstr.lib zeroset.lib phindex.lib 283 283 284 284
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