Dear all, Are there any functions which can solve a system of nonlinear equations. My system is R 2.0.1+Debian. Thank you in advance. -- Yours Sincerely Shusong Jin ==============================================================Add: Meng Wah Complex, RM518 Email: jinss at hkusua.hku.hk Dept. of Statistics Tel: (+852)28597942 and Actuarial Science fax: (+852)28589041 The Univ. of Hong Kong Pokfulam Road, Hong Kong