nmrglue.process.proc_lp.find_roots¶

nmrglue.process.proc_lp.find_roots(a, mode='f')[source]¶

Find LP roots (poles) from a set of LP coefficients.

Parameters :

a : array

LP coefficients.

mode : {‘f’, ‘b’}

Mode of LP coefficients. ‘f’ for coefficients ordered m, m - 1,..., 1. ‘b’ for coefficients ordered 1, 2, ...., m

Returns :

roots : array

LP roots (poles)