Rank: 1696 based on 34 downloads (last 30 days) and 7 files submitted
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Mehmet Murat Altug Bicak

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Michigan Tech.

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www.me.mtu.edu/~mmbicak

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Files Posted by Mehmet Murat Altug View all
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25 May 2009 Screenshot fig2tex - With Marker Converts MATLAB figure to a TeX file representation. (Including Markers Also.) Author: Mehmet Murat Altug Bicak latex, pstplot, pstnode, fig2tex, converts, export 9 0
27 Mar 2007 Multiple Coherence Function Multiple Coherence Function Based on Multiple input theory Author: Mehmet Murat Altug Bicak system identification, multiple, coherence, modal, frf, estimation 7 3
03 Oct 2006 Improved Reduced System (IRS) Improved Reduced System (IRS) Author: Mehmet Murat Altug Bicak matrices, improved reduced syst..., irs, model reduction 3 0
03 Oct 2006 Guyan reduction Guyan reduction or Static reduction: Author: Mehmet Murat Altug Bicak matrices, guyan reduction, static reduction 5 1
  • 4.66667
4.7 | 3 ratings
03 Oct 2006 System Equivalent Reduction Expansion Process (SEREP) System Equivalent Reduction Expansion Process (SEREP) Author: Mehmet Murat Altug Bicak matrices, model reduction, serep, slave, master, system 2 1
  • 1.0
1.0 | 1 rating
Comments and Ratings on Mehmet Murat Altug's Files View all
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30 May 2011 Guyan reduction Guyan reduction or Static reduction: Author: Mehmet Murat Altug Bicak Nufeng
18 May 2011 Guyan reduction Guyan reduction or Static reduction: Author: Mehmet Murat Altug Bicak jastin
19 Jul 2010 Multiple Coherence Function Multiple Coherence Function Based on Multiple input theory Author: Mehmet Murat Altug Bicak Fristoker, Le

I found the little mistake :) that explained the coherence bigger than 1! Here is how you can solve the problem (cost me weeks but at leat I understand what I am doing now):

just after line "GYX{ii,1}=Cyx;" please ADD another line "GXY{ii,1}=conj(Cyx);"

then, CHANGE this line "GY = [GYY ;GYX]" to this one: "GY = [GYY ;GXY]"

please refer to this to understand why: section 5.4.4 (about multiple coherence and the matrix formulation, see the definition of matrix Syxx) [Random Data: Analysis and measurements procedures, Bendat and Piersol]

07 Nov 2007 Multiple Coherence Function Multiple Coherence Function Based on Multiple input theory Author: Mehmet Murat Altug Bicak n.a., n.a.

I could not get a sensible result with this script. I get coherence values greater than 1 or less than 0.

26 Oct 2007 System Equivalent Reduction Expansion Process (SEREP) System Equivalent Reduction Expansion Process (SEREP) Author: Mehmet Murat Altug Bicak Dilworth, Brandon

This formulation is incorrect. Need to reference IMAC paper "System Equivalent Reduction Expansion Process" written by John O'Callahan, Peter Avitabile and Robert Riemer 1989 for proper formulation.
Top Tags Applied by Mehmet Murat Altug
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matrices, differential equations, model reduction, coherence, converts
Files Tagged by Mehmet Murat Altug View all
  • 1 - 5 of
  • 7
Updated   File Tags Downloads
(last 30 days) 		Comments Rating
25 May 2009 Screenshot fig2tex - With Marker Converts MATLAB figure to a TeX file representation. (Including Markers Also.) Author: Mehmet Murat Altug Bicak latex, pstplot, pstnode, fig2tex, converts, export 9 0
27 Mar 2007 Multiple Coherence Function Multiple Coherence Function Based on Multiple input theory Author: Mehmet Murat Altug Bicak system identification, multiple, coherence, modal, frf, estimation 7 3
03 Oct 2006 Improved Reduced System (IRS) Improved Reduced System (IRS) Author: Mehmet Murat Altug Bicak matrices, improved reduced syst..., irs, model reduction 3 0
03 Oct 2006 Guyan reduction Guyan reduction or Static reduction: Author: Mehmet Murat Altug Bicak matrices, guyan reduction, static reduction 5 1
  • 4.66667
4.7 | 3 ratings
03 Oct 2006 System Equivalent Reduction Expansion Process (SEREP) System Equivalent Reduction Expansion Process (SEREP) Author: Mehmet Murat Altug Bicak matrices, model reduction, serep, slave, master, system 2 1
  • 1.0
1.0 | 1 rating

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