See here.
Put at the head of your scripts,
require 'rubygems' # if installed via RubyGems require 'gsl'
Most of the GSL data types, functions or constants are named as gsl_xxx or GSL_XXX. In Ruby/GSL, the prefix gsl_ is replaced by the module identifier GSL::, where GSL is the top level module of Ruby/GSL, and the Ruby classes are defined for each of the GSL C structs under the GSL module. According to the Ruby manner, the name of each class begins with a capital. For example,
Struct gsl_vector ---> Ruby class GSL::Vector
Function call as v = gsl_vector_alloc(5); ---> Class method v = GSL::Vector.alloc(5)
Function call as gsl_vector_set(v, i, 1.5); ---> Method v.set(i, 1.5) or v[i] = 1.5
Constant GSL_SUCCESS ---> Ruby module constant GSL::SUCCESS
Function gsl_sf_bessel_J0(x) --->
Submodule GSL::Sf
Module function GSL::Sf::bessel_J0(x)
GSL::Sf::Bessel::J0(x) is also OK, where J0(x) is a module function of the sub-sub-module GSL::Sf::Bessel.
Function gsl_linalg_LU_decomp --->
Module GSL::Linalg::LU
Singleton method GSL::Linalg::LU_decomp
Submodule GSL::Linalg::LU
Singleton method GSL::Linalg::LU.decomp
Method GSL::Matrix#LU_decomp
See the directories "examples/" and "tests/".
Some of the examples use the graph utility to show the results. The graph utility is included in the GNU plotutils package. Windows-cygwin binaries of GNU plotutils and related packages are available from here.
The following is the list of Ruby/GSL modules and classes, <Name> (<Module or Class>)
GSL (Module)
Complex (Class)
Poly (Class)
Workspace (Class)
DividedDifferenceRepresentation (Class)
Taylor (Class)
Sf (Module)
Result (Class)
Block (Class)
Int (Class)
Byte (Class)
Index < Permutation
Vector (Class)
View < Vector
Complex (Class)
View < Vector::Complex
Matrix (Class)
View < Matrix (Class)
Complex (Class)
View < Matrix::Complex
Permutation (Class)
Combination (Class)
Linalg (Module)
LU (Module)
QR (Module)
QRPT (Module)
LQ (Module)
LQPT (Module)
SV (Module)
Cholesky (Module)
Symmtd (Module)
HH (Module)
Eigen (Module)
EigenValues < Vector
EigenVectors < Matrix
Symm (Module)
Workspace (Class)
Symmv (Module)
Workspace (Class)
Unsymm (Module)
Workspace (Class)
Unsymmv (Module)
Workspace (Class)
Herm (Module)
Workspace (Class)
Hermv (Module)
Workspace (Class)
FFT (Module)
ComplexWavetable (Class)
ComplexWorkspace (Class)
HalfComplexWavetable (Class)
RealWavetable (Class)
RealWorkspace (Class)
Wavelet (Class)
Wavelet2d < Wavelet
Function (Class)
Function_fdf (Class)
Integration (Module)
Workspace
QAWS_Table
QAWO_Table
Rng (Class)
QRng (Class)
Ran (Module)
Stats (Module)
Histogram (Class)
Integral < Histogram
Pdf (Class)
Histogram2d (Class)
N-tuples
SelectFn (Class)
ValueFn (Class)
Monte (Module)
Function (Class)
Plain (Class)
Miser (Class)
Vegas (Class)
Siman (Module)
Efunc (Class)
Step (Class)
Metric (Class)
Print (Class)
Params (Class)
Solver (Class)
Odeiv (Module)
Control (Class)
Evolve (Class)
System (Class)
Solver (Class)
Interp (Class)
Accel (Class)
Spline (Class)
Diff (Module)
Deriv (Module)
Cheb (Class)
Sum (Module)
Levin_u (Class)
Levin_utrunc (Class)
Dht (Class)
Root (Module)
Solver (Class)
FdfSolver (Class)
Min(Module)
FMinimizer (Class)
MultiRoot (Module)
Function (Class)
FSolver (Class)
Function_fdf (Class)
FdfSolver (Class)
MultiMin (Module)
Function (Class)
FMinimizer (Class)
Function_fdf (Class)
FdfMinimizer (Class)
Fit (Module)
MultiFit (Module)
Workspace (Class)
Solver (Class)
Function_fdf (Class)
FdfSolver (Class)
CONST (Module)
MKSA (Module)
CGSM (Module)
NUM (Module)
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