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Bessel

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[资源] GSL - GNU Scientific Library

Introduction
http://www.gnu.org/software/gsl/
The GNU Scientific Library (GSL) is a numerical library for C and C++ programmers. It is free software under the GNU General Public License.

The library provides a wide range of mathematical routines such as random number generators, special functions and least-squares fitting. There are over 1000 functions in total with an extensive test suite.

The complete range of subject areas covered by the library includes,

Complex Numbers Roots of Polynomials
Special Functions Vectors and Matrices
Permutations Sorting
BLAS Support Linear Algebra
Eigensystems Fast Fourier Transforms
Quadrature Random Numbers
Quasi-Random Sequences Random Distributions
Statistics Histograms
N-Tuples Monte Carlo Integration
Simulated Annealing Differential Equations
Interpolation Numerical Differentiation
Chebyshev Approximation Series Acceleration
Discrete Hankel Transforms Root-Finding
Minimization Least-Squares Fitting
Physical Constants IEEE Floating-Point
Discrete Wavelet Transforms Basis splines

Unlike the licenses of proprietary numerical libraries the license of GSL does not restrict scientific cooperation. It allows you to share your programs freely with others.
Special Features

The library uses an object-oriented design. Different algorithms can be plugged-in easily or changed at run-time without recompiling the program.

It is intended for ordinary scientific users. Anyone who knows some C programming will be able to start using the library straight-away.

The interface was designed to be simple to link into very high-level languages, such as GNU Guile or Python

The library is thread-safe.

Where possible the routines have been based on reliable public-domain Fortran packages such as FFTPACK and QUADPACK, which the developers of GSL have reimplemented in C with modern coding conventions.

The library is easy to compile and does not have any dependencies on other packages.

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