NumPy-specific help functions

Finding help

lookfor(what[, module, import_modules, …])

Do a keyword search on docstrings.

Reading help

info([object, maxwidth, output, toplevel])	Get help information for a function, class, or module.
source(object[, output])	Print or write to a file the source code for a NumPy object.

numpy.piecewise numpy.lookfor