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BFGS optimization with only information about the function gradient (no knowledge of the function value). I've coded it in C++ (boost uBLAS) and python (numpy). Most of the code is copied directly from scipy.optimize._minimize_bfgs, with only minor modifications.
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This document will walk you through compiling your own scientific python distribution from source,
without sudo, on a linux machine. The core numpy and scipy libraries will be linked against
Intel MKL for maximum performance.
This procedure has been tested with Rocks Cluster Linux 6.0 (Mamba) and CentOS 6.3.
The IPython tab completion machinery is messy, complicated, and difficult to extend. The IPython pull request 2701, for instance, envisioned a feature -- tab completion based on function-specific annotations -- which, because of the current sub-optimal completion API, required a quite a bit of hacking into the core completer logic to execute. This proposal envisions a refactoring of the IPython tab completion machinery -- largely IPython/core/completer.py, IPython/core/completerlib.py, and a little bit of IPython/core/interactiveshell.py -- in a way that simplifies and unifies the codebase while providing a powerful and flexible public-facing API, enabling its extensibility in 3rd party projects.
History of the Tab Completion Machinery
Started closely tied to GNU readline, and to the stdlib's rlcompleter.py module
Hacked to be able to work with non-readline frontends, like the notebook and qtconsole.
Context manager for mpi4py that selectively executes its body on the root node
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters