Singular Manual: negatedCone

  | #### 4.22.3.25 negatedCone `Syntax:` `negatedCone(` cone c `)` `Type:` cone `Purpose:` the negated (or negative) of the cone `Example:`
      LIB"gfanlib.so";
      intmat M[2][2]=
      1,0,
      0,1;
      cone c=coneViaPoints(M);
      cone cn=negatedCone(c);
      cn;
      ==> AMBIENT_DIM
      ==> 2
      ==> FACETS
      ==> -1, 0,
      ==>  0,-1
      ==> LINEAR_SPAN
      ==>
      ==>
      print(rays(cn));
      ==> -1, 0,
      ==>  0,-1

User manual for Singular version 4-0-3p3, 2016, generated by texi2html.