Alexander Ziegler / ctools

Commit 2d4f13fccdc64832a51bd606f95c056dba92c761

Authored by Alexander Ziegler
1 parent e63b95c6

Again update docu.

Inline Side-by-side
Showing 1 changed file with 4 additions and 6 deletions
doc/source/users/reference_manual/ctbutterfly.rst
  View file @2d4f13f
... ... @@ -10,10 +10,10 @@ Synopsis
10 10 --------
11 11  
12 12 This tool calculates a butterfly diagram for a specific source according to
13   -its spectral model. The default method used for the calculation is Gaussian
14   -error propagation using the covariance matrix from a maximum likelihood fit.
15   -The butterfly diagram is the envelope of all power law models that are
16   -within a given confidence limit compatible with the data. By default a
  13 +its spectral model. The butterfly diagram is the envelope of all power law
  14 +models that are within a given confidence limit compatible with the data.
  15 +The default method used for the calculation is Gaussian error propagation
  16 +using the covariance matrix from a maximum likelihood fit. By default a
17 17 confidence level of 68% is used, but the level can be adjusted using the
18 18 hidden ``confidence`` parameter. For power law models, an alternative
19 19 calculation method can be specified by setting the hidden parameter
... ... @@ -79,8 +79,6 @@ General parameters
79 79  
80 80 ``(method = GAUSSIAN|ENVELOPE) [real]``
81 81 Computation method.
82   - ``GAUSSIAN``: Gaussian error propagation.
83   - ``ENVELOPE``: Evaluate error ellipse.
84 82  
85 83 ``(confidence = 0.68) [real]``
86 84 Confidence level for error computation.
... ...