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Scilab help >> Polynomials > hrmt

# hrmt

gcd of polynomials

### Calling Sequence

`[pg,U]=hrmt(v)`

### Arguments

v

row of polynomials i.e. `1`x`k` polynomial matrix

pg

polynomial

U

unimodular matrix polynomial

### Description

`[pg,U]=hrmt(v)` returns a unimodular matrix `U` and `pg` = gcd of row of polynomials `v` such that `v*U = [pg,0]`.

### Examples

```x=poly(0,'x');
v=[x*(x+1),x^2*(x+1),(x-2)*(x+1),(3*x^2+2)*(x+1)];
[pg,U]=hrmt(v);U=clean(U)
det(U)```

### See Also

• gcd — gcd calculation
• htrianr — triangularization of polynomial matrix

S. Steer INRIA

### Comments

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 << horner Polynomials htrianr >>

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