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# calfrq

frequency response discretization

### Syntax

[frq,bnds,split]=calfrq(h,fmin,fmax)

### Arguments

- h
Linear system in state space or transfer representation (

`see syslin`

)- fmin,fmax
real scalars (min and max frequencies in Hz)

- frq
row vector (discretization of the frequency interval)

- bnds
vector

`[Rmin Rmax Imin Imax]`

where`Rmin`

and`Rmax`

are the lower and upper bounds of the frequency response real part,`Imin`

and`Imax`

are the lower and upper bounds of the frequency response imaginary part,- split
vector of frq splitting points indexes

### Description

frequency response discretization; `frq`

is the
discretization of `[fmin,fmax]`

such that the peaks in
the frequency response are well represented.

Singularities are located between `frq(split(k)-1)`

and `frq(split(k))`

for `k>1`

.

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