Scilab Function

trans - low-pass to other filter transform

### Sequence d'appel

  `hzt=trans(pd,zd,gd,tr_type,frq)`

### Parametres

- `hz` : input polynomial
- `tr_type` : type of transformation
- `frq` : frequency values
- `hzt` : output polynomial

### Description

function for transforming standardized low-pass filter into one of the following filters: low-pass, high-pass, band-pass, stop-band.

### Auteur

C. Bunks ;