integrate definite integrals matlab

2013 4 24

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What is wrong with the following code please?

thanks

int((5*x)/((x^3-(7*x))^4), x=-1..1)

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Carlos 2013-4-24

编辑：Carlos 2013-4-24

1 个投票

>> syms x
>> int((5*x)/((x^3-(7*x))^4),-1,1)
ans =
NaN

Which is correct if you consider you are working with a non-convergent improper integral

dav 2013-4-24

thanks

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