Module: CAMath

Includes:
GSL::CONST::MKSA, GSL::CONST::NUM
Defined in:
lib/carray-gsl/core.rb

Class Method Summary collapse

Class Method Details

.cholesky_solve(c, b) ⇒ Object 



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# File 'lib/carray-gsl/core.rb', line 610

def cholesky_solve (c, b)
  CArray.attach(c, b) {
    cholesky = c["@cholesky"]
    return GSL::Linalg::Cholesky.solve(cholesky, b.gv).ca.v
  }
end

.coupling_9j(*argv) ⇒ Object 



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# File 'lib/carray-gsl/core.rb', line 585

def coupling_9j (*argv)
  return GSL.Sf.coupling_9j(*argv)
end

.graph(*args) ⇒ Object 



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# File 'lib/carray-gsl/core.rb', line 635

def graph (*args)
  if args.last.is_a?(String)
    options = args.pop
  else
    options = nil
  end
  args.map! do |arg|
    case arg
    when CArray
      arg.to_gv
    when Array
      arg.map{|a| a.is_a?(CArray) ? a.to_gv : a }
    else
      arg
    end
  end
  return GSL.graph(*args)
end

.lu_solve(lu, b) ⇒ Object 



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# File 'lib/carray-gsl/core.rb', line 589

def lu_solve (lu, b)
  CArray.attach(lu, b) {
    perm = lu["@perm"]
    return GSL::Linalg::LU.solve(lu.gm, perm, b.gv).ca.v
  }
end

.qr_solve(qr, b) ⇒ Object 



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# File 'lib/carray-gsl/core.rb', line 596

def qr_solve (qr, b)
  CArray.attach(qr, b) {
    qrm = qr["@qr"]
    tau = qr["@tau"]
    return GSL::Linalg::QR.solve(qrm, tau, b.gv).ca.v
  }
end

.stats_correlation(v1, v2) ⇒ Object 



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# File 'lib/carray-gsl/core.rb', line 629

def stats_correlation (v1, v2)
  CArray.attach(v1, v2) {
    return GSL::Stats.correlation(v1.gv, v2.gv)
  }
end

.stats_covariance(v1, v2) ⇒ Object 



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# File 'lib/carray-gsl/core.rb', line 617

def stats_covariance (v1, v2)
  CArray.attach(v1, v2) {
    return GSL::Stats.covariance(v1.gv, v2.gv)
  }
end

.stats_covariance_m(v1, v2, mean1, mean2) ⇒ Object 



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# File 'lib/carray-gsl/core.rb', line 623

def stats_covariance_m (v1, v2, mean1, mean2)
  CArray.attach(v1, v2) {
    return GSL::Stats.covariance_m(v1.gv, v2.gv, mean1, mean2)
  }
end

.sv_solve(u, v, s, b) ⇒ Object 



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# File 'lib/carray-gsl/core.rb', line 604

def sv_solve (u, v, s, b)
  CArray.attach(u, v, s, b) {
    return GSL::Linalg::SV.solve(u.gm, v.gm, s.gv, b.gv).ca.v
  }
end