How to calculate the area of specific path under the curve?

1 vue (au cours des 30 derniers jours)
Salah Alfiky
Salah Alfiky le 22 Jan 2022
Area wanted to calculate
this is the area i want to calculate
the code i used
>> i=[0:0.5:3.5];
>> l=18*sqrt(i);
>> plot (i,l)
>> grid on
>>

Réponses (2)

KSSV
KSSV le 22 Jan 2022
Read about trapz.
  2 commentaires
Salah Alfiky
Salah Alfiky le 22 Jan 2022
just tell me the code
Louis Alexander
Louis Alexander le 22 Jan 2022
like this:
i=[0:0.5:3.5];
l=18*sqrt(i);
plot (i,l)
grid on
Q = cumtrapz(l,i)
Q = trapz(l,i)

Connectez-vous pour commenter.


Louis Alexander
Louis Alexander le 22 Jan 2022
if your curve can be expressed as a function, you can choose
integralintegral2 or integral3

Community Treasure Hunt

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

Start Hunting!

Translated by