How to do the matlab integral algorythm of a function using numerical methods?

any idea ? The function is f=x^3+9/x.

Answer 1

[Gopalkrishna Bhat]

Hi Altin,

Indefinite integration can be done in matlab using the int() function. For the above function the codes are

syms x;

int(x^3+9/x,x);

You integrate numerically if limits are provided using Trapezoidal method. http://in.mathworks.com/help/matlab/ref/trapz.html#bua4lsr