LP2NLP();

Error, (in LP2NLP) LP2NLP needs 4 parameters: fp, fs, ap, as

> BP2NLP();

Error, (in BP2NLP) BP2NLP needs 6 parameters: f_s, f_p, fp, fs, ap, as

> BP22NLP();

Error, (in BP22NLP) BP22NLP needs 5 parameters: fm, delta_fp, delta_fs, ap, as

>