## maxima-lang-fr — French-language discussion of the Maxima computer algebra system

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 Re: [Maxima-lang-fr] fonction à réutiliser From: Robert Dodier - 2008-08-22 05:08:14 ```On 8/21/08, Mahery Raharinjatovo wrote: > J'ai besoin d'aide sur l'utilisation de maxima à propos de plot2d ,ode2,ic1 > j'ai defini auparavant l'équation eqn1,puis j'ai tapé > ic1(ode2(eqn1,i,t),i=0,t=0) celà a marché mais qund je veux voir la courbe > ,j'ai fait plot2d((ic1(ode2(eqn1,i,t),i=0,t=0)),[t,0,0.2]) > ceci ne donne rien. Hello, sorry for writing in English, I can't write in French. I assume that ic1 returns some expression like i = f(t) where f(t) satisfies eqn1. To plot that, you need to extract the right-hand side of the equation, by the function rhs. I think something like this should work: expr : ic1 (ode2 (eqn1, i, t), i=0, t=0); plot2d (rhs (expr), [t, 0, 0.2]); If that doesn't work, please tell us what is eqn1, and I will take another look at the problem. All the best Robert Dodier ```
 [Maxima-lang-fr] fonction à réutiliser From: Mahery Raharinjatovo - 2008-08-21 10:05:29 Attachments: Message as HTML ```Bonjour, J'ai besoin d'aide sur l'utilisation de maxima à propos de plot2d ,ode2,ic1 j'ai defini auparavant l'équation eqn1,puis j'ai tapé ic1(ode2(eqn1,i,t),i=0,t=0) celà a marché mais qund je veux voir la courbe ,j'ai fait plot2d((ic1(ode2(eqn1,i,t),i=0,t=0)),[t,0,0.2]) ceci ne donne rien. Je vous remercie d'avance. ```

Showing 2 results of 2