Re: [R] ode first step

2009-05-17 Thread Benoit Boulinguiez
a function of q(t) to get this new equation > dq/dt= K1*C0 - (K1*m/V+ K2)*q(t) > where K1 and K2 are the unknown but desired parameters and {C0,m,V} are > constant known values. > > Nevertheless, I still get this 'Error about object 'K1' not found&#x

Re: [R] ode first step

2009-05-14 Thread spencerg
nt known values. Nevertheless, I still get this 'Error about object 'K1' not found'. Regards/Cordialement Benoit Boulinguiez -Message d'origine- De : Dieter Menne [mailto:dieter.me...@menne-biomed.de] Envoyé : jeudi 14 mai 2009 12:12 À : 'Benoit Boulingu

Re: [R] ode first step

2009-05-14 Thread Benoit Boulinguiez
rs and {C0,m,V} are constant known values. Nevertheless, I still get this 'Error about object 'K1' not found'. Regards/Cordialement Benoit Boulinguiez -Message d'origine- De : Dieter Menne [mailto:dieter.me...@menne-biomed.de] Envoyé : jeudi 14 mai 2009 12:1

Re: [R] ode first step

2009-05-13 Thread Dieter Menne
Benoit Boulinguiez ensc-rennes.fr> writes: > I try to assess the parameters (K1,K2) of a model that describes the > adsorption of a molecule onto on adsorbent. > > equation: dq/dt = K1*C*(qm-q)-K2*q > > I know the value of 'qm' and I experimentally measure the variables 'q', > 'C', and the time

[R] ode first step

2009-05-13 Thread Benoit Boulinguiez
Hi all, I try to assess the parameters (K1,K2) of a model that describes the adsorption of a molecule onto on adsorbent. equation: dq/dt = K1*C*(qm-q)-K2*q I know the value of 'qm' and I experimentally measure the variables 'q', 'C', and the time 't'. t C q 1 0 144.0