About 4 weeks ago there was discussion w/ adding a derivative method to an extension of the o.a.c.m.analysis.UnivariateRealFunction interface.
I apologize for the time delay but I had previously contributed some code that made it to the expiremental branch in the project for FunctionOperators. see: http://cvs.apache.org/viewcvs.cgi/jakarta-commons/math/src/experimental/org/apache/commons/math/analysis/ anyway at the time I just wanted to re-focus the group on this concept as it relates to Derivates. There is a DerivativeOperatorFactory which creates a function D, such that D(f) = f' numerically. The reason I did this was to build a framework to add do numerical initial-value problems. A lot of these methods use as a base Taylor series approximations, and hence there is a need for higher order derivative evaluations. long and short, I thought that the DerivativeOperator approach would be a nice start to this without having to program a Function and it's derivative(s). Any thoughts? -- Matt Cliff Cliff Consulting 303.757.4912 720.280.6324 (c) The label said install Windows 98 or better so I installed Linux. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]