ZOH accuracy improvements from PR #47 are visible for Butterworth at high orders but elliptic filters still show degradation at high orders. The root cause has not been investigated. May be related to the elliptic pole/zero computation itself or the discretization path.
ZOH accuracy improvements from PR #47 are visible for Butterworth at high orders but elliptic filters still show degradation at high orders. The root cause has not been investigated. May be related to the elliptic pole/zero computation itself or the discretization path.