Re: NDSolve::mconly error
- To: mathgroup at smc.vnet.net
- Subject: [mg59281] Re: [mg59254] NDSolve::mconly error
- From: Pratik Desai <pdesai1 at umbc.edu>
- Date: Thu, 4 Aug 2005 02:08:04 -0400 (EDT)
- References: <200508030519.BAA06383@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
topolog at gazeta.pl wrote:
>Dear Mathematica users!
>
>I can not pass a Complex number as an argument to the function below.
>An error occures:
>
>
>NDSolve::mconly:
> For the method NDSolve`IDA, only machine real code is available.
>Unable to
> continue with complex values or beyond floating point exceptions.
>
>
>Everethying is ok, when the number is declared as Real, but I
>suppose it is so.
>
>The function is of the form:
>
>ndsolut[W_?NumberQ] := NDSolve[eqset /. {w -> W}, dVar, {z, z1, z2},
> SolveDelayed -> True];
>
>
>
I think NDSolve will evaluate if you give the value to w outside of the
NDSolve command
w=Random[]+I*Pi
NDSolve[...................]
Maybe you can put all this in a module...which sounds to me very
complicated as supposed to just using NDSolve independantly
...hmmm....Although you seem to require this in a functional form...Good
Luck :)
>where 'eqset' is a set of differential equations, 'dVar' is a
>function to be solved, z - independent variable, w/W - parameters
>(complex in general).
>
>The function is called in a following way:
>
>W = 1.+1.*\[ImaginaryI]
>ndsolut[W]
>
>
Why not
ndsolut[1.+1*\Imaginary]??
>
>I will appreciate any suggestions
>
>Thank you and best regards
>
>Rafal Kosinski
>
>
>
>
>
>
Best regards
Pratik Desai
--
Pratik Desai
Graduate Student
UMBC
Department of Mechanical Engineering
Phone: 410 455 8134
- References:
- NDSolve::mconly error
- From: <topolog@gazeta.pl>
- NDSolve::mconly error