A simple integration problem!

Hey all,

I am trying to solve a simple integral expression using matlab, but it calculates it at a wrong way. let us for example integrate the expression '1+x' by int('1+x',x), it will give us an answer wich is (1+x)^2/2, but the right answer is x^2+x, so what should I do in order to let matlab work with the expression as it assumed to be? any help please!! thanks all

[Andrei Bobrov]

int(1+x,x) = x^2/2+x+C

for your case: C = 1/2

Answer 1

[Azzi Abdelmalek]

(x^2+x)'=2x+1

that means that your result is false. now matlab result :

((1+x)^2/2)'=1+x

which correspond to your function.