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MODULES(1) User Contributed Perl Documentation MODULES(1)## NAME

PDL::Modules - A guide to PDL's module reference.## DESCRIPTION

This page serves as a table of contents for PDL's module documentation. This page does not list every single PDL module. It only shows the ones intended for PDL users, while ommitting those which are deemed "for internal use only". If you wish to see a comprehensive list of all documentation, please see the PDL::Index page. LOOKING FOR A FUNCTION? If you want to search for a function name, you should use the PDL shell along with the "help" or "apropos" command (to do a fuzzy search). For example: pdl> apropos xval xlinvals X axis values between endpoints (see xvals). xlogvals X axis values logarithmicly spaced... xvals Fills a piddle with X index values... yvals Fills a piddle with Y index values. See the CAVEAT for xvals. zvals Fills a piddle with Z index values. See the CAVEAT for xvals. To learn more about the PDL shell, see perldl or pdl2.## FOUNDATION

perldl or pdl2 Learn about the PDL shell.FunctionsPDL::Core Core module (e.g. creating piddles). PDL::Basic Simplified interface to the more general PDL::Primitive. PDL::Ops Basic operators (e.g. arithmetic, comparisons, etc.). PDL::Ufunc Functions that accumulate along a dimension (e.g. sum, max).OtherFeaturesPDL::AutoLoader MATLAB-style function autoloader. PDL::Slices Indexing and slices. How to access a subset of a piddle. PDL::NiceSlice Nicer syntax for slices.## MISCELLANEOUS

PDL::Primitive Fundamental operations on piddles. PDL::Complex Complex numbers. PDL::Bad Bad value support. PDL::Reduce A 'reduce' function for PDL. PDL::Lite Minimum PDL module OO loader. PDL::LiteF Minimum PDL module function loader. PDL::Extended Extended Mathematical Operators. PDL::Func Interpolation-related functions.## GRAPHICS

PDL::Graphics::PGPLOT PGPLOT library. PDL::Graphics::PLplot PLplot library.3DGraphicsPDL::Graphics::TriD 3D graphics core module. PDL::Graphics::TriD::Rout Helper routines for 3D graphics. PDL::Graphics::TriD::Contours 3D surface contours.HelperModulesPDL::Graphics::LUT Look-up tables. PDL::Graphics::IIS Display images on IIS devices. PDL::Graphics::Limits Derive data limits for display purposes.## IMAGE PROCESSING

PDL::Compression Compression utilities. PDL::Image2D 2-dimmensional image processing. PDL::ImageND N-dimmensional image processing. PDL::ImageRGB RGB image data handling.## NUMERICAL METHODS

PDL::FFT Fast Fourier Transform (native implementation). PDL::FFTW PDL interface to the FFTW library. PDL::Filter::LinPred Linear predictive filtering. PDL::Filter::Linear Linear filtering. PDL::Opt::Simplex Simplex optimization routines. PDL::Minuit PDL interface to the Minuit library. PDL::Slatec PDL interface to the Slatec library.## COORDINATE TRANSFORMATIONS

PDL::Transform Coordinate transforms, image warping, and N-D functions. PDL::Transform::Cartography Cartographic projections. PDL::Transform::Proj4 PDL interface to the Proj4 projection library.## IO FUNCTIONS

PDL::IO Overview of IO functions. PDL::IO::Dumper Data dumper. PDL::IO::FastRaw Fast storage format (outdated). PDL::IO::FlexRaw Flexible storage format. PDL::IO::Rout Misc IO routines. PDL::IO::Sortable Support for Perl's 'Storable' module.ImageFormatsPDL::IO::FITS PDL support for FITS images. PDL::IO::PNM PDL support for PNM images. PDL::IO::GD PDL interface to the GD image library. PDL::IO::HDF PDL interface to the HDH4 image library. PDL::IO::NetPBM PDL interface to the NetPBM image library. PDL::IO::NDF PDL interface to the Starlink image library. Available as a separate CPAN download.2DMATRICESPDL::Matrix Convenience class for 2D matrix work. PDL::MatrixOps Additional matrix operators.## GNU SCIENTIFIC LIBRARY

PDL::GSL::DIFF Numerical differentiation. PDL::GSL::INTEG Numerical integration. PDL::GSL::INTERP Interpolation. PDL::GSL::MROOT Multidimensional root-finding. PDL::GSL::RNG RNG and randist.SpecialFunctionsPDL::GSLSF::AIRY PDL::GSLSF::BESSEL PDL::GSLSF::CLAUSEN PDL::GSLSF::COULOMB PDL::GSLSF::COUPLING PDL::GSLSF::DAWSON PDL::GSLSF::DEBYE PDL::GSLSF::DILOG PDL::GSLSF::ELEMENTARY PDL::GSLSF::ELLINT PDL::GSLSF::ELLJAC PDL::GSLSF::ERF PDL::GSLSF::EXP PDL::GSLSF::EXPINT PDL::GSLSF::FERMI_DIRAC PDL::GSLSF::GAMMA PDL::GSLSF::GEGENBAUER PDL::GSLSF::HYPERG PDL::GSLSF::LAGUERRE PDL::GSLSF::LEGENDRE PDL::GSLSF::LOG PDL::GSLSF::POLY PDL::GSLSF::POW_INT PDL::GSLSF::PSI PDL::GSLSF::SYNCHROTRON PDL::GSLSF::TRANSPORT PDL::GSLSF::TRIG PDL::GSLSF::ZETA## FITTING FUNCTIONS

PDL::Fit::Gaussian Fit gaussian curves. PDL::Fit::Polynomial Fit polynomials. PDL::Fit::Linfit Fit linear combinations of functions. PDL::Fit::LM Fit functions using the Levenberg-Marquardt algorithm.## ADVANCED

PDL::Dbg PDL debugger. PDL::DiskCache Manage many piddles through a disk cache. PDL::CallExt Call external functions. PDL::Objects If you want to sub-class from PDL (note: incomplete).## COPYRIGHT

Copyright 2010 Daniel Carrera (dcarrera@gmail.com). You can distribute and/or modify this document under the same terms as the current Perl license. See: http://dev.perl.org/licenses/ perl v5.20.2 2015-05-24 MODULES(1)

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