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This stage should take me about 3 days to complete.
 
This stage should take me about 3 days to complete.
 
=== Notes to time estimates ===
 
=== Notes to time estimates ===
Totaling up the above estimates I think my time estimates are rather conservative, but I would rather work on other programs (the documentation contains another article located [http://www.mpipks-dresden.mpg.de/~tisean/Tisean_3.0.1/docs/surropaper/Surrogates.html| here]) than to be overwhelmed with the work and try to rush trough. As I am not fully familiar with the mathematical concepts discussed within these articles I want to make sure that I reduce the possibility of error when linking programs to octave to a minimum. If I vastly overestimated the time I will need to port those functions I intend to finish the 'Visualization, non-stationary' section of the work on nonlinear timeseries and then proceed to programs from the 'Surrogate time series article'.
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Totaling up the above estimates it should take me 6 weeks to complete my task as outlined above. I do think my time estimates are rather conservative, but I would rather work on other programs (the documentation contains another article located [http://www.mpipks-dresden.mpg.de/~tisean/Tisean_3.0.1/docs/surropaper/Surrogates.html| here]) than to be overwhelmed with the work and try to rush trough. As I am not fully familiar with the mathematical concepts discussed within these articles I want to make sure that I reduce the possibility of error when linking programs to octave to a minimum. If I vastly overestimated the time I will need to port those functions I intend to finish the 'Visualization, non-stationary' section of the work on nonlinear timeseries and then proceed to programs from the 'Surrogate time series article'.
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Porting of the TISEAN package has a couple parts. First part is making the FORTRAN and c programs accessible to Octave. Second part would be creating makefiles and putting all that code in a neat package.  
 
Porting of the TISEAN package has a couple parts. First part is making the FORTRAN and c programs accessible to Octave. Second part would be creating makefiles and putting all that code in a neat package.  
 
I have divided the first part into three sub-parts:  
 
I have divided the first part into three sub-parts:  
# FORTRAN ones that can be re-implemented easily in m-files (a good example of such a program is 'henon')
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# FORTRAN ones that can be re-implemented easily in m-files (a good example of such a program is 'henon') -- there are 5 programs in this class
# the FORTRAN ones that need to be linked to oct files (an example of such a program is 'project')
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# c programs which also need to be linked to oct files (an example is 'ghkss') -- there are 41 programs in this class
# c programs which also need to be linked to oct files.  
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# the FORTRAN ones that need to be linked to oct files (an example of such a program is 'project') -- there are 28 programs in this class
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They are ordered so that my estimate of the difficulty rises with the number. This is because typecasting and implicit typing (which is included in most of the FORTRAN files in the TISEAN library) can be problematic sometimes.
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As linking FORTRAN code to oct code is most difficult of those three tasks, there are 28 in this category. If it is more difficult than I expect I will move some of the easier programs into the m-file category.  
 
As linking FORTRAN code to oct code is most difficult of those three tasks, there are 28 in this category. If it is more difficult than I expect I will move some of the easier programs into the m-file category.  
  
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