Updated docstring for truncated_svd() on usage and numerical instability.

aimacode / aima-julia

Julia implementation of algorithms from Russell And Norvig's "Artificial Intelligence - A Modern Approach"

MIT License

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Updated docstring for truncated_svd() on usage and numerical instability. #30

Closed mikhail-j closed 5 years ago

mikhail-j commented 5 years ago

@norvig This pull request updates the docstring for truncated_svd() with an explanation on why the function fails to approximate very small singular values.