[Octave-bug-tracker] [bug #30088] gammainc does not accept the 3rd arg (as Matlab does)

[Ben Abbott]

URL:
  <http://savannah.gnu.org/bugs/?30088>

                 Summary: gammainc does not accept the 3rd arg (as Matlab
does)
                 Project: GNU Octave
            Submitted by: bpabbott
            Submitted on: Tue 08 Jun 2010 07:08:52 PM EDT
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: Ben Abbott
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Mac OS

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Details:

Matlab's version of gammainc(x,a) may accept a third argument.

gammainc(x,a,"lower") is equivalent to gammainc(x,a). While
gammainc(x,a,"upper") is equal to 1-gammainc(x,a,"lower").

Essentially, "lower" refers the integrating over the bounds of 0 to x. While
"upper" refers to integrating over the bounds of x to infinity.




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