Problem in ezplot with simple equation

13 vues (au cours des 30 derniers jours)
Camilo Sánchez
Camilo Sánchez le 23 Avr 2018
Commenté : Star Strider le 23 Avr 2018
s=dsolve ('Dy=(t+y)^(1/2)','y(0.4)=0.41')
ezplot(s,[0.4,10])
Whats wrong???

Réponse acceptée

Star Strider
Star Strider le 23 Avr 2018
Not all differential equations have analytical solutions. Fortunately, ode45 will integrate this without problems:
DE = @(t,y) (t+y)^(1/2);
[T,Y]= ode45(DE, [0.4 10], 0.41);
figure(1)
plot(T,Y)
grid
  2 commentaires
Camilo Sánchez
Camilo Sánchez le 23 Avr 2018
Thanks
Star Strider
Star Strider le 23 Avr 2018
As always, my pleasure.

Connectez-vous pour commenter.

Plus de réponses (0)

Catégories

En savoir plus sur Numerical Integration and Differential Equations dans Help Center et File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by