Math::GSL 0.16 (Default branch)

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12-18-2008

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Math::GSL 0.16 (Default branch)

Math::GSL is a Perl API to the GNU Scientific Library, which contains a large set of tools for writing scientific computing applications, like statistical distributions, special functions, random number generators, linear algebra, numeric integration/derivatives, FFTs, wavelets, and much more. License: GNU General Public License (GPL) Changes:
New VectorComplex and MatrixComplex subsystems were implemented. Vector dot products were sped up by 15x. There is now basic arithmetic operator overloading on Vector and Matrix objects. Some build failures relating to Histogram2D were fixed.

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LEARN ABOUT DEBIAN

gsl-histogram

GSL-HISTOGRAM(1)					      General Commands Manual						  GSL-HISTOGRAM(1)

NAME

       gsl-histogram - compute histogram of data on stdin

SYNOPSYS

       gsl-histogram xmin xmax [n]

DESCRIPTION

       gsl-histogram  is  a demonstration program for the GNU Scientific Library.  It takes three arguments, specifying the upper and lower bounds
       of the histogram and the number of bins.  It then reads numbers from `stdin', one line at a time, and adds them	to  the  histogram.   When
       there  is no more data to read it prints out the accumulated histogram using gsl_histogram_fprintf.  If n is unspecified then bins of inte-
       ger width are used.

EXAMPLE

       Here is an example.  We generate 10000 random samples from a Cauchy distribution with a width of 30 and histogram them over the range  -100
       to 100, using 200 bins.

	    gsl-randist 0 10000 cauchy 30 | gsl-histogram -100 100 200 > histogram.dat

       A  plot	of  the  resulting histogram will show the familiar shape of the Cauchy distribution with fluctuations caused by the finite sample
       size.

	    awk '{print $1, $3 ; print $2, $3}' histogram.dat | graph -T X

SEE ALSO

       gsl(3), gsl-randist(1).

AUTHOR

       gsl-histogram was written by Brian Gough.  Copyright 1996-2000; for copying conditions see the GNU General Public Licence.

       This manual page was added by the Dirk Eddelbuettel <edd@debian.org>, the Debian GNU/Linux maintainer for GSL.

GNU
																  GSL-HISTOGRAM(1)

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