Re: Integrate a matrix-function
- To: mathgroup at smc.vnet.net
- Subject: [mg27512] Re: Integrate a matrix-function
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Sat, 3 Mar 2001 03:39:55 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <97cemm$d9s@smc.vnet.net> <97fepk$fu5@smc.vnet.net> <97l2vg$jf2@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
> Yes I should have started with a simple example and the one you gave me is
> working. I must say that in my case it looks like a Mathematica BUG. I know
> that in 99,999% of the cases your are the dummy
This is such a case ...
> but here is my example (the
> code is of course take out of content but you should be able to just paste
> it into Mathematica, if you/anyone has the time)
and
EX1[s_, t_] := (MatrixExp[A*(t - s)] - IdentityMatrix[3]).X +
NIntegrate[Evaluate[IntegrandMean[s, u]], {u, s, t}]
works as expected. Nintegrate[] has the attribute HoldAll.
Regards
Jens