Re: A general problem with numerical functions defined
- To: mathgroup at smc.vnet.net
- Subject: [mg108706] Re: A general problem with numerical functions defined
- From: Murray Eisenberg <murray at math.umass.edu>
- Date: Sun, 28 Mar 2010 04:08:20 -0500 (EST)
This kind of issue has been addressed before. See, e.g., mg39711. The method: change the definition so that it reads: f[x_?NumericQ]:= .... On 3/27/2010 6:10 AM, ValeX wrote: > let's say that i have a numerical function f[x] which is defined in a > quite messy way. > For example, it could be defined as a Module that contains If, Whiles, > interpolation functions, Import, .. > This function works well without any error if I simply evaluate it, > for example if i write f[5] and hit the enter key. > > The (my) problem is that often when i plug such a function in other > routines, like FindMinimum, i get all sorts of errors and it doesn't > work. > Is there a way to tell Mathematica to just compute f[x] and then use > that result for other things? > -- Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305