How come in frequency/ Time domain there is no negative axis?

[sean1985]

Hi guys!

I m doing a tutorial to represent sine wave in its frequency domian? ALthough i get the 2 compoents from(exp(jwt)*cos wt) but all the  frequency components are in positive domain???

Its completely different from what I had studided?

AM I wrong?

Pls correct... Learning in jeopardise...lolx..

Thank u!

[sean1985]

oopss.. sorry.. i m sorry for the duplication. I sincerely aplogise for this.

[parthabe]

duplicate

[sean1985]

How come there is no -t time domain or -ve frequncy domian for the waveform??

[parthabe]

Time cannot go backwards (in reverse), thats why.

[Ray.R]

See reply here:  http://forums.ni.com/ni/board/message?board.id=170&view=by_date_descending&message.id=322149#M322149