[ 源代码： ddogleg ]
软件包：libddogleg-java（0.17+ds-2）
library for non-linear optimization, clustering, robust model fitting and more
DDogleg Numerics is a high performance Java library for non-linear optimization, clustering, robust model fitting, polynomial root finding, sorting, and more. The API is designed to be user to use, without excessive abstraction often found in other libraries. The user is provided with the capability to have tight control over memory and CPU usage.