Scientific Computing in Ruby. RDRC 2016.

Talk on Scientific Computing in Ruby at Red Dot Ruby Conf 2016, Singapore.

Transcript

1. namaste
   

   View Slide

2. Me
   

   View Slide

3. Who Am I?
   

   View Slide

4. Sameer Deshmukh
   github.com/v0dro
   @v0dro
   

   View Slide

5. Incredible India
   

   View Slide

6. View Slide

7. View Slide

8. View Slide

9. View Slide

10. City of Pune.
    Population: 6 million.
    Oxford of the East.
    

    View Slide

11. View Slide

12. Dr. Gopal
    Deshmukh
    Sameer
    Desmukh
    Dr. Hemchandra
    Deshmukh
    Dr. Satish
    Deshmukh
    

    View Slide

13. www.soundcloud.com/catkamikazee
    Sameer
    

    View Slide

14. Ruby
    Science
    Foundation
    www.sciruby.com
    @sciruby
    @sciruby
    

    View Slide

15. View Slide

16. Scientific
    Computing In
    Ruby
    

    View Slide

17. iruby notebook
    

    View Slide

18. Browser based Ruby REPL
    for interactive computing.
    

    View Slide

19. Runs in your
    browser
    Input cell – accepts
    Ruby code
    Output cell – can
    render HTML/CSS/JS
    

    View Slide

20. View Slide

21. nmatrix
    

    View Slide

22. n­dimensional array object.
    Interface Ruby with
    high speed C libraries.
    

    View Slide

23. require 'nmatrix'
    n = NMatrix.new(
    [2,2],
    [1,2,3,4],
    dtype: :float32,
    stype: :dense
    )
    n[0,1] # => 2.0
    

    View Slide

24. Data Types
    :int8 :float32
    :int16 :float64
    :int32 :complex64
    :int64 :complex128
    

    View Slide

25. Storage types
    Dense Dense matrix.
    List Sparse matrix type storing data as a
    linked list.
    Yale Sparse type storing data in the 'New
    Yale' format.
    

    View Slide

26. NMatrix C API
    

    View Slide

27. nmatrix
    nmatrix­
    atlas
    nmatrix­
    lapacke
    nmatrix­
    fftw
    gsl
    

    View Slide

28. nmatrix is coming to jruby!
    

    View Slide

29. nyaplot
    

    View Slide

30. interactive plotting
    tool for Rubyists.
    

    View Slide

31. interactive
    HTML and JavaScript plots
    that can be displayed in your
    browser.
    

    View Slide

32. View Slide

33. Mapnya
    Nyaplot3D
    Bionya
    Map visualizations with inbuilt country charts.
    Three Dimensional interactive plots.
    Biology plots for visualizing relationships of genes.
    

    View Slide

34. daru
    (Data Analysis in RUby)
    

    View Slide

35. daru ==
    (Hindi)
    ददार
    

    View Slide

36. library for
    analysis, cleaning, manipulation and
    visualization
    of data.
    

    View Slide

37. Read/write many data sources
    Ephemeral statistics functions
    Works well with 'wild' data
    Data indexing
    

    View Slide

38. Acts as glue between other
    SciRuby libraries.
    

    View Slide

39. Daru::Vector
    Heterogenous Array that can be indexed on
    any Ruby object.
    Name
    Label(0)
    Label(1)
    Label(2)
    ...
    Label(n-1)
    

    View Slide

40. Daru::DataFrame
    2D spreadsheet like data structure indexed by
    rows or columns.
    Col0
    Label(0)
    Label(1)
    Label(2)
    ...
    Label(n-1)
    Col1 Col2 Col(n-1)
    ....
    

    View Slide

41. Cool SciRuby Stickers
    

    View Slide

42. Thank You
    Red Dot Ruby Conf
    

    View Slide

43. I will answer your questions
    in my own childish ways.
    

    View Slide