Re: [R] Nonlinear programming problem

2010-09-17 Thread Ravi Varadhan
-Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Xiaoxi Gao Sent: Friday, September 17, 2010 2:03 AM To: R Help Subject: [R] Nonlinear programming problem Hello useRs, I'm using the command "solnp" in package "R

[R] Nonlinear programming problem

2010-09-16 Thread Xiaoxi Gao
Hello useRs, I'm using the command "solnp" in package "Rsolnp" to solve a general nonlinear programming problem. But I got an error that " the leading minor of order 15 is not positive definite ". Can anybody tell what may cause this error? Does it have something to do with the starting values