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Traian Preda

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28 Jun 2014 Hilbert-Huang Transform This submission is a realization of the Hilbert-Huang transform (HHT). Author: Alan Tan

Hi,

I have a question, regarding how I can identify in the last plot which frequencies are plotted in time?
Thank you

04 Apr 2014 Eigensystem Realization Algorithm This function returns the state-space model from IRF by using ERA Author: Samuel da Silva

Hi,

Why the script fail to recognize the modes: 1.97Hz (0.15 damping ratio), 1.68 Hz (0.12 damping) 1.59Hz (0.20 damping). I used the following vector x. And in the script should be in the A computation transpose(S).

Thnak you

x=[1
1
1
1
1
1
1
1
1
1
1,000287
1,000717
1,001436
1,002249
1,003133
1,004073
1,005056
1,006078
1,007132
1,008218
1,009136
1,00901
1,008819
1,008502
1,00813
1,007685
1,007148
1,006502
1,005733
1,004835
1,003809
1,002664
1,001417
1,000088
0,998702
0,997284
0,995865
0,994472
0,993135
0,991885
0,990748
0,989751
0,988915
0,988256
0,987788
0,987516
0,987443
0,987564
0,987873
0,988356
0,988998
0,989782
0,990688
0,991694
0,99278
0,993924
0,995106
0,996308
0,997511
0,998699
0,999856
1,000969
1,002027
1,003017
1,00393
1,004758
1,005493
1,006127
1,006657
1,007077
1,007384
1,007576
1,007653
1,007616
1,007468
1,007212
1,006856
1,006407
1,005873
1,005267
1,004598
1,003881
1,003128
1,002352
1,001568
1,000788
1,000026
0,999294
0,998603
0,997962
0,99738
0,996863
0,996417
0,996046
0,995751
0,995534
0,995393
0,995327
0,995332
0,995404
0,995538
0,995728
0,995968
0,996253
0,996574
0,996925
0,997299
0,997691
0,998093
0,998499
0,998905
0,999304
0,999693
1,000066
1,000419
1,00075
1,001054
1,001331
1,001576
1,001789
1,001968
1,002113
1,002224
1,002299
1,00234
1,002348
1,002324
1,00227
1,002187
1,002078
1,001945
1,001791
1,00162
1,001434
1,001237
1,001031
1,000821
1,000609
1,000398
1,000193
0,999994
0,999806
0,99963
0,999468
0,999322
0,999194
0,999085
0,998995
0,998926
0,998876
0,998846
0,998836
0,998844
0,99887
0,998912
0,99897
0,999041
0,999124
0,999217
0,999318
0,999426
0,999537
0,999652
0,999767
0,999882
0,999993
1,000101
1,000202
1,000297
1,000384
1,000461
1,000529
1,000586
1,000632
1,000666
1,00069
1,000703
1,000705
1,000697
1,00068
1,000654
1,00062
1,00058
1,000533
1,000481
1,000425
1,000366
1,000306
1,000245
1,000185
1,000127
1,000071
1,000019
0,999972
0,999929
0,999891
0,99986
0,999834
0,999815
0,999802
0,999795
0,999793
0,999798
0,999807
0,999822
0,99984
0,999863
0,999888
0,999916
0,999946
0,999977
1,000009
1,000041
1,000073
1,000103
1,000132
1,000159
1,000183
1,000205
1,000224
1,000241
1,000253
1,000263
1,000269
1,000272
1,000272
1,000269
1,000263
1,000255
1,000244
1,000231
1,000217
1,000201
1,000184
1,000166
1,000147
1,000129
1,000111
1,000093
1,000076
1,00006
1,000045
1,000032
1,000021
1,000011
1,000003
0,999997
0,999993
0,99999
0,99999
0,999992]

09 Sep 2013 Calculate Excel Range Calculates full target range in Excel A1 notation. Author: Richard de Garis

Hi,

I have a question, can I use this function only by typing xlcalcrange('c:\mytestfile.xls') or I have to provide the selection from excel?

Can you please send me an example regarding how I can use this function for an excel file.

Thanks

05 Mar 2013 Prony Toolbox Prony Toolbox is a GUI to perform Prony analysis. Author: Satnam Singh

Hi,

I have a question regarding how I can extract each residue as a row or a colum versus time in the workspace. I tried with exportresults but I cannot figure out how it works.

Thanks

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