Sha256: 3c74412bbbc6278c1a49f4ee105113035c52f69070b76877f809076a3d40ac27
Contents?: true
Size: 820 Bytes
Versions: 22
Compression:
Stored size: 820 Bytes
Contents
#!/usr/bin/env ruby require("gsl") exit unless GSL.const_defined?("ALF") lmax = 3 #w = GSL::ALF::Workspace.alloc(lmax) #w = GSL::ALF.alloc(lmax) w = GSL::alf_alloc(lmax) w.params(0, 0, GSL::ALF::NORM_NONE) result = GSL::Vector.alloc(GSL::ALF::array_size(lmax)) deriv = GSL::Vector.alloc(GSL::ALF::array_size(lmax)) ind11 = GSL::ALF::array_index(1, 1) ind21 = GSL::ALF::array_index(2, 1) ind22 = GSL::ALF::array_index(2, 2) ind31 = GSL::ALF::array_index(3, 1) File.open("alf.dat", "w") do |f| theta = 0.01 while theta < 1.99*Math::PI do x = Math.cos(theta) # w.Plm_deriv_array(lmax, x, result, deriv) w.Plm_array(lmax, x, result, deriv) f.printf("%e %e %e %e %e\n", theta, result[ind11], result[ind21], result[ind22], result[ind31]) theta += 0.01 end end system("gnuplot -persist alf.gp")
Version data entries
22 entries across 22 versions & 4 rubygems