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### `tolexm`, `minipolym`

`tolexm(plist,vlist1,order,vlist2,mod)`
  :: Groebner basis computation modulo mod by change of ordering.
`minipolym(plist,vlist1,order,poly,v,mod)`
  :: Minimal polynomial computation modulo mod the same method as

return
  `tolexm()` : list, `minipolym()` : polynomial
plist, vlist1, vlist2
  list
order
  number, list or matrix
mod
  prime

- An input plist must be a Groebner basis modulo mod with respect to the variable order vlist1 and the order type order.
- `minipolym()` executes the same computation as in `minipoly`.
- `tolexm()` computes a lex order Groebner basis modulo mod with respect to the variable order vlist2, by using FGLM algorithm.

    [197] tolexm(G0,V,0,V,31991);
    [8271*u0^31+10435*u0^30+816*u0^29+26809*u0^28+...,...]
    [198] minipolym(G0,V,0,u0,z,31991);
    z^32+11405*z^31+20868*z^30+21602*z^29+...

`References`
  section `lex_hensel`, `lex_tl`, `tolex`, `tolex_d`, `tolex_tl`, section `gr_minipoly`, `minipoly`.

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