filt

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filt

[y, final] = filt ( x,num,den[[=1]],initial[[=(empty)]] )
[y, final] = x.filt ( num,den[[=1]],initial[[=(empty)]] )

1-D digital filter

arg

type

Description

Unit or Value scale

x

AUD or VECT

Input data


num

VECT

Numerator coefficients of rational transfer function


den[

VECT

Denominator coefficients of rational transfer function


initial[

VECT

Initial condition, a vector of max(num.length, den.length)-1


Outputs

  • y is filtered data.
  • final is the final condition after filtering

Notes

  • For a grouped or "2-D" array, filtering takes place for each group.

Examples

See Also

filtfilt

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