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Re: Series and passing a function a changing number of variables

• To: mathgroup at smc.vnet.net
• Subject: [mg106810] Re: Series and passing a function a changing number of variables
• From: Bill Rowe <readnews at sbcglobal.net>
• Date: Sun, 24 Jan 2010 05:39:32 -0500 (EST)

On 1/23/10 at 7:29 AM, Ignacio.Plazeta at speednet.es (Ignacio Plazeta)
wrote:

>-- 1 -----------------------------------------------

>This command works fine:

>Series[ Exp[ x + 2 y^x ] , {x, 0, 2} ,  {y, 0, 2} ]

>this one doesn't:

>Series[ Exp[ x + 2 y^x ] ,  {{x, 0, 2}, {y, 0, 2}} ]


To convert the list to a sequence of arguments use Sequence.
That is

Series[Exp[x + 2 y^x], Sequence @@ {{x, 0, 2}, {y, 0, 2}}]

will do what you want