A simple integration problem!
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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
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Andrei Bobrov
2012-8-15
int(1+x,x) = x^2/2+x+C
for your case: C = 1/2
回答（1 个）
Azzi Abdelmalek
2012-8-15
编辑：Azzi Abdelmalek
2012-8-15
(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.
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2021-8-20
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