Singular Manual: span

  | #### 4.22.3.33 span `Syntax:` `span(` cone c `)` `Type:` bigintmat `Purpose:` generating vectors of the orthogonal complement of the span of the cone `Example:`
      LIB"gfanlib.so";
      intmat M[3][5]=
      1,0,0,0,0,
      0,1,0,0,0,
      0,0,1,0,0;
      cone c=coneViaPoints(M);
      bigintmat I=span(c);
      print(I);
      ==> 0,0,0,-1, 0,
      ==> 0,0,0, 0,-1

User manual for Singular version 4-0-2, 2015, generated by texi2html.