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How can I solve this problem in the matlab program ?

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Vuqar Samedov
Vuqar Samedov 2020-12-21
评论： Vuqar Samedov 2020-12-21
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Vuqar Samedov
Vuqar Samedov 2020-12-21
I use it in the matlab program, but the answer is not correct. I do not know why the answer is incorrect?
>> syms x
>> f=x*exp(-x^2);
>> u=(-2*x^2);
>> f=subs(f,u);
>> int(f)
ans =
-(x^3*(gamma(3/4) - igamma(3/4, 4*x^4)))/(2*(4*x^4)^(3/4))

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