RE: signal functions does not recognized by octave 3.6.1

[Damian Harty]

> pkg load signal

If you want the change to persist across octave sessions, do

  pkg rebuild -auto signal

That way every instance of octave you run on your machine will have the signal 
package available to it. It took me a while to understand this from the help 
documentation.

To verify it has worked, do

  pkg list

...and look for an asterisk next to the signal package on the alphabetical list.

In summary, a package is "installed" when the files are present on the disk. A 
package is "loaded" when it is on the path for Octave to search. A package has 
to be both installed and loaded to have functions available from the command 
line.

Damian
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