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I am trying get started with ALIZE/LIA_RAL Toolkit. Tried to run ALIZE3.0 Tutorial 02_i-vector_system_with_ALIZE3.0 on my system. But there might be some problem with data. Data folder with the I-vector system is empty and I have used data you provided with GMM-UBM tutorial. IvTest_WCCN_Cosine.log file is showing the following error -

[ Exception 0x77ce00 ]
  message   = "Matrix is not positive definite"
  source file = DoubleSquareMatrix.cpp
  line number = 177

Can you please help me out to fix this problem?

user3618949
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    The exception information is not enough. I think it's maybe because your data is not enough to use the i-vector method. What's more, you can refer to the `./iv/raw/` folder to look the corresponding input data matrix. – Bill Xia May 09 '14 at 04:55
  • Right you are. But I can not access to this file's (.y). Extension is unknown. – user3618949 May 09 '14 at 06:20

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