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- Newsgroups: sci.math
- Path: sparky!uunet!destroyer!wsu-cs!trace.eng.wayne.edu!uds
- From: uds@trace.eng.wayne.edu (Seetamraju Udaybhaskar)
- Subject: ...... roots of a FINITE fourier series ......
- Message-ID: <1992Nov9.204850.25136@cs.wayne.edu>
- Sender: usenet@cs.wayne.edu (Usenet News)
- Reply-To: uds@trace.eng.wayne.edu (Seetamraju Udaybhaskar)
- Organization: Wayne State University, Detroit
- Distribution: world
- Date: Mon, 9 Nov 1992 20:48:50 GMT
- Lines: 25
-
-
- given a TRUNCATED (finite) trignometric fourier series
-
- --- m
- F(m) = \ a cos ( i w x + phi )
- / i i
- --- i = 0
-
-
- where :: phi_i is the initial phase of the i-th harmonic. a_i will be real.
-
- The LHS F(m) is a function of x. Is there a general method (algorithmically
- also will be great) to solve the equation
-
- F(m)(x) = 0. For finite but reasonable m (say m < 50)...
-
- i.e, to find the roots of the above series...
-
- A very important peice of information : THE ACTUAL FUNCTION IS NOT KNOWN.
- THE FOURIER SERIES IS constructed from DATA OBTAINED BY EXPERIMENTATION
-
-
- Seetamraju Udaya Bhaskar Sarma
- (email : seetam @ ece7 . eng . wayne . edu)
-
-