GNU Scientific Library 2.0 发布，值得关注的改进：
* 稀疏矩阵
* 正则化最小二乘
* 2D 插值
* 新的非线性最小二乘解
下载：
ftp://ftp.gnu.org/gnu/gsl/gsl-2.0.tar.gz
ftp://ftp.gnu.org/gnu/gsl/gsl-2.0.tar.gz.sig
==================
gsl-2.0 改进列表
** fixed bug #43258 for hypergeometric functions (Raymond Rogers)
** added L-curve analysis routines for linear Tikhonov regression
** add running statistics module
** added bilinear and bicubic interpolation (David Zaslavsky)
** added function gsl_multifit_robust_residuals to compute robust
fit residuals
** added Steffen monotonic interpolation method (Jean-François Caron)
** added new nonlinear least squares solver 'lmniel' suitable for
systems with large numbers of data
** nonlinear least squares solver now tracks the number of function
and Jacobian evaluations, see example program for details
** the 'fdf' field of gsl_multifit_function_fdf is now deprecated
and does not need to be specified for nonlinear least squares
problems
** added extensive test suite to nonlinear least squares module,
resulting in a few minor bug fixes; the routine
gsl_multifit_fdfsolver_driver has been rewritten (with API change)
to handle the various error codes of the lmsder iterate
routine, resulting in a high level caller which is highly robust
for a wide class of problems
** added support for sparse matrices, including a GMRES
iterative linear solver
** added routines gsl_linalg_givens and gsl_linalg_givens_gv
for Givens rotations
** added Tikhonov (ridge) regularization to least squares module
(linear and nonlinear)
** removed unused argument 'n' from gsl_sf_ellint_D
** merged bspline_deriv_workspace into bspline_workspace to simplify
bspline API; the functions
gsl_bspline_deriv_alloc
gsl_bspline_deriv_free
are now deprecated and will be removed in a future release.
** merged ALF extension into GSL for associated Legendre functions;
api has changed; consequently the functions:
gsl_sf_legendre_Plm_array
gsl_sf_legendre_Plm_deriv_array
gsl_sf_legendre_sphPlm_array
gsl_sf_legendre_sphPlm_deriv_array
gsl_sf_legendre_array_size
are now deprecated and will be removed in a future release.
** added function gsl_multifit_robust_weights to allow user to
access the various weighting functions
GNU Scientific Library (GSL) 是一个用于科学计算的 C 语言类库。有超过1000个函数。
软件详情：http://www.gnu.org/
下载地址：http://www.gnu.org/prep/ftp.html
来自:开源中国社区
