Sha256: dfaeab90748a3d3a861ade581dd10a45f40127a402eaa6f88b1e8b77d7021325
Contents?: true
Size: 566 Bytes
Versions: 22
Compression:
Stored size: 566 Bytes
Contents
#!/usr/bin/env ruby
require("gsl")
include Math
sint2 = GSL::Function.alloc { |t| Math::sin(Math::PI/2*t*t) }
cost2 = GSL::Function.alloc { |t| Math::cos(Math::PI/2*t*t) }
w = GSL::Integration::Workspace.alloc(1000)
t = 0
STDOUT.print("Computing... ")
STDOUT.flush
IO.popen("graph -T X -C -g 3 -X 'C(t)' -Y 'S(t)' --toggle-rotate-y-label -L 'Cornu spiral'", "w") do |io|
t = -4
while t < 4
c = cost2.qag([0, t], w)[0]
s = sint2.qag([0, t], w)[0]
io.printf("%e %e\n", c, s)
t += 0.01
end
STDOUT.print("done\n")
STDOUT.flush
io.flush
end
Version data entries
22 entries across 22 versions & 4 rubygems