Re: List of user-defined derivatives

*To*: mathgroup at smc.vnet.net*Subject*: [mg71665] Re: List of user-defined derivatives*From*: "dimitris" <dimmechan at yahoo.com>*Date*: Sun, 26 Nov 2006 03:48:47 -0500 (EST)*References*: <200611231041.FAA25261@smc.vnet.net><ek97bg$fuk$1@smc.vnet.net>

Information["SubValues", LongForm -> True] "SubValues[f] gives a list of transformation rules corresponding to all subvalues (values for f[x,..][..], etc.) defined for \ the symbol f." Attributes[SubValues] = {HoldAll, Protected} Options[SubValues] = {Sort -> True} Andrew Moylan wrote: > Hi all, > > Since posting my message I discovered that these definitions are found > in SubValues[Derivative]. As a side note, does anyone know why > SubValues is largely undocumented, whereas UpValues and DownValues are > documented? > > Cheers, > Andrew > > > On Nov 24, 5:39 pm, "Chris Chiasson" <c... at chiasson.name> wrote: > > they're probably stored in the DownValues of Derivative > > > > On 11/23/06, Andrew Moylan <andrew.j.moy... at gmail.com> wrote: > > > > > Hi all, > > > > > When the derivative of a function is specified like this: > > > f' = 6 &; > > > or alternatively like this: > > > f'[x_] = 6; > > > the definitions are not stored in UpValues[f] or DownValues[f]. I > > > understand this is why Clear[f] doesn't clear definitions for > > > derivatives. My question is: where are these definitions stored, and > > > how can one obtain a list of user-defined derivatives such as this one? > > > > > Cheers, > > > Andrew--http://chris.chiasson.name/

**References**:**List of user-defined derivatives***From:*"Andrew Moylan" <andrew.j.moylan@gmail.com>