_align_nums(nums)
Given an array of numerator coefficient arrays [[a_1, a_2,..., a_n],..., [b_1, b_2,..., b_m]], this function pads shorter numerator arrays with zero's so that all numerators have the same length. Such alignment is necessary for functions like 'tf2ss', which needs the alignment when dealing with SIMO transfer functions.
Numerator or list of numerators. Not necessarily with same length.
The numerator. If nums
input was a list of numerators then a 2-D array with padded zeros for shorter numerators is returned. Otherwise returns np.asarray(nums)
.
Aligns the shapes of multiple numerators.
The following pages refer to to this document either explicitly or contain code examples using this.
scipy.signal._filter_design._align_nums
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