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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
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- 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
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- 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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