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If you can write the equation on paper, can you not also write the simple steps to solving it? f(i) is too complex. Write (1/2i * log(i)) instead. log(i) should be built-in.. not the whole equation. Improvements to the models shouldn't be dependent on improvements to the system as a whole. - --Glen Celelibi wrote: > > About embedding equations inside the XML. It will be possible describe every > component with equations only if we can define our own functions. > But defining a function is useless if you don't know how to solve equation > containing it. So you need to define a way to solve any equation containing > that function. But maths says it's not possible. > Let me explain with a small example. > You have a dipole for which current/voltage is such as u=f(i)+g(i). Of > course, you want to calculate i from u. If f is a polynomial and g is > something that deals with logarithm or exponential, a generic solver will > have some pain to find something. > What I try to explain is that embeding equation inside a component > definition will lead to unsolvable problems. > > I think a more powerful solution would be to make the XML say something like > : > MyComponent behave following That_Model with parameters "voltage in pin1", > "current in pin2" etc. > > I really really think embedding equations is a bad idea. > > > Celelibi > > > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > > > ------------------------------------------------------------------------ > > _______________________________________________ > Ktechlab-devel mailing list > Ktechlab-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ktechlab-devel -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkkXnRgACgkQLstl3vProOCMcACfVJvX7XZ4J78hbsCakbEaFywN QDAAnjRHM5cVLFlXALeg/xByyfYiNDiA =q7A1 -----END PGP SIGNATURE----- ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Ktechlab-devel mailing list Ktechlab-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ktechlab-devel
