Re: Help with NMinimize

*To*: mathgroup at smc.vnet.net*Subject*: [mg82488] Re: Help with NMinimize*From*: congruentialuminaire at yahoo.com*Date*: Mon, 22 Oct 2007 05:36:38 -0400 (EDT)*References*: <ff1qmk$9eq$1@smc.vnet.net><ffcjcq$s82$1@smc.vnet.net>

Hello Flavio: Recently I have been studying the numeric capabilities of Mathematica. My attempt at an answer to your question would be: The NXXX, FindXXX routines do use numerical rather than symbolics, but this is mainly for internal calculations. The Mathematica interpreter language processing is separate and inherently symbolic. So understanding patterns, rules, pure functions, et.al. will always be part of making your Mathematica programs work correctly, even with using the NXXX routines. Regards.. On Oct 20, 2:56 am, Flavio <flavio.cimo... at gmail.com> wrote: > Thank you very much for your detailed explanation, now it's perfectly > clear to me which was the problem with my code. Just one last > "philosophical" question: I know that Mathematica deals with simbolic > calculation, but I though that at least the Nxxx commands (NSolve, > NDSolve,NMinimize, ...) would treat the functions just numerically. > So must I keep in mind that these commands have to be considered > "simbolic" too? > > Regards, > > Flavio