Set zeros/poles numerically in FilterDesigner

Is it possible to set the zeros/poles numerically as well in the FilterDesigner tool? So first I can place zeros/poles graphically as I wish approximatelly and then I can do it as well numerically?

Answer 1

[Moksh]

Hi Peter,

The 'Filter Designer Tool' in MATLAB offers a functionality via which you can edit the filter through the 'Pole-Zero plot' by numerically setting the coordinates for poles and zeros.

After displaying the pole-zero plot, you can edit each one manually by selecting it and specifying it's parameters in the pole-zero editor pane on the left.

Please refer to the 'Editing the Filter Using the Pole/Zero Editor' section of the following document for more clarification.

https://in.mathworks.com/help/dsp/ug/using-filter-designer.html

I hope this helps!