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#1 2006-11-10 21:57:59

coolwind
Member
Registered: 2005-10-30
Posts: 30

A integral problem~

I(f)= ∫(sin2pi100t)e^(j2pift)dt          where range  0<t<∞


THANKS

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#2 2006-11-20 04:34:45

John E. Franklin
Member
Registered: 2005-08-29
Posts: 3,588

Re: A integral problem~

So there are two variables: f and t ??


igloo myrtilles fourmis

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#3 2006-11-20 04:35:45

John E. Franklin
Member
Registered: 2005-08-29
Posts: 3,588

Re: A integral problem~

And J, and 2 pi's


igloo myrtilles fourmis

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#4 2006-11-20 15:12:39

basmah
Member
Registered: 2006-10-02
Posts: 18

Re: A integral problem~

yea try to tell us what are the variables and what does the question look like.....im then we can have a look at it

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#5 2006-11-20 15:31:59

Ricky
Moderator
Registered: 2005-12-04
Posts: 3,791

Re: A integral problem~

Typically you just assume f and j are constants.


"In the real world, this would be a problem.  But in mathematics, we can just define a place where this problem doesn't exist.  So we'll go ahead and do that now..."

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