scipy/scipy — pull request #2856 by ewmoore (2013-09-12 05:18:53+00:00)
Title: DOC: Fix typo in signal.welch example

The example did not run since `1024` is not a valid window name. Since
it didn't run, no figures were displayed in the online docs.

Also added calls to plt.ylim so the figures look reasonable in the docs.