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patterson_rule_test():
  MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2
  Test patterson_rule().
08-Jan-2022 08:46:26

PATTERSON_RULE
  MATLAB version

  Compute a Gauss-Patterson rule for approximating
    Integral ( A <= x <= B ) f(x) dx
  of order ORDER.

  The user specifies ORDER, A, B, and FILENAME.

  ORDER is 1, 3, 7, 15, 31, 63, 127, 255 or 511.
  A is the left endpoint;
  B is the right endpoint;
  FILENAME is used to generate 3 files:
    filename_w.txt - the weight file
    filename_x.txt - the abscissa file.
    filename_r.txt - the region file.

  ORDER = 15
  A = -1.000000
  B = 1.000000
  FILENAME = "gp_o15".

  Creating quadrature files.

  "Root" file name is   "gp_o15".

  Weight file will be   "gp_o15_w.txt".
  Abscissa file will be "gp_o15_x.txt".
  Region file will be   "gp_o15_r.txt".

PATTERSON_RULE:
  Normal end of execution.

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patterson_rule_test():
  Normal end of execution.

08-Jan-2022 08:46:26