Contents

#!/usr/bin/env ruby
require 'gsl'
include GSL
include Math

f454 = Function.alloc{ |x|
  x2 = x*x
  x3 = x2*x
  x3*log(((x2-1)*(x2-2)).abs)
}
exp_result = 5.274080611672716401E+01
exp_abserr = 1.755703848687062418E-04
pts = [0, 1, sqrt(2), 3]
result = f454.qagp(pts, 0.0, 1e-3)
p result

puts("exp_result: #{exp_result}")
puts("exp_abserr: #{exp_abserr}")

p Integration.qagp(f454, pts, [0.0, 1e-3])

Version data entries

22 entries across 22 versions & 4 rubygems

Version	Path
gsl-2.1.0.3	examples/integration/qagp.rb
gsl-2.1.0.2	examples/integration/qagp.rb
gsl-2.1.0.1	examples/integration/qagp.rb
gsl-2.1.0	examples/integration/qagp.rb
gsl-1.16.0.6	examples/integration/qagp.rb
rb-gsl-1.16.0.5	examples/integration/qagp.rb
rb-gsl-1.16.0.4	examples/integration/qagp.rb
rb-gsl-1.16.0.3	examples/integration/qagp.rb
rb-gsl-1.16.0.3.rc1	examples/integration/qagp.rb
gsl-nmatrix-1.15.3.2	examples/integration/qagp.rb
gsl-nmatrix-1.15.3.1	examples/integration/qagp.rb
rb-gsl-1.16.0.2	examples/integration/qagp.rb
rb-gsl-1.16.0.1	examples/integration/qagp.rb
rb-gsl-1.16.0	examples/integration/qagp.rb
rb-gsl-1.15.3.2	examples/integration/qagp.rb
rb-gsl-1.15.3.1	examples/integration/qagp.rb
blackwinter-gsl-1.15.3.2	examples/integration/qagp.rb
gsl-nmatrix-1.15.3.0	examples/integration/qagp.rb
gsl-1.15.3	examples/integration/qagp.rb
gsl-1.14.7	examples/integration/qagp.rb