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math::symbolic::custom::defaultdumpers(3pm) [debian man page]

Math::Symbolic::Custom::DefaultDumpers(3pm)		User Contributed Perl Documentation	       Math::Symbolic::Custom::DefaultDumpers(3pm)

NAME

       Math::Symbolic::Custom::DefaultDumpers - Default Math::Symbolic output routines

SYNOPSIS

	 use Math::Symbolic qw/parse_from_string/;
	 $term = parse_from_string(...);
	 my ($sub, $leftover_trees) = $term->to_sub();

DESCRIPTION

       This is a class of default output routines for Math::Symbolic trees. Likewise, Math::Symbolic::Custom::DefaultTests defines default tree
       testing routines and Math::Symbolic::Custom::DefaultMods has default tree modification methods.	For details on how the custom method
       delegation model works, please have a look at the Math::Symbolic::Custom and Math::Symbolic::Custom::Base classes.

   EXPORT
       Please see the docs for Math::Symbolic::Custom::Base for details, but you should not try to use the standard Exporter semantics with this
       class.

SUBROUTINES

   to_string
       The to_string method is currently implemented in the module core namespaces and will be moved to Math::Symbolic::DefaultDumpers in a future
       release.

       Takes one optional argument indicating whether the Math::Symbolic tree should be transformed to a string using 'postfix' notation or using
       'infix' notation.  Default is infix which is also more likely to be reparseable by the Math::Symbolic parser.

   to_code
       This method is a wrapper around the compile_to_code class method in the Math::Symbolic::Compiler module. Takes key/value pairs of variables
       and integers as argument. The integers should starting at 0 and they determine the order of the variables/parameters to the compiled code.

       Returns the compiled code and a reference to an array of possible leftover tree elements that could not be compiled.

       Please refer to the Math::Symbolic::Compiler man page for details.

   to_sub
       This method is a wrapper around the compile_to_sub class method in the Math::Symbolic::Compiler module. Takes key/value pairs of variables
       and integers as argument. The integers should starting at 0 and they determine the order of the variables/parameters to the compiled code.

       Returns the compiled sub and a reference to an array of possible leftover tree elements that could not be compiled.

       Please refer to the Math::Symbolic::Compiler man page for details.

AUTHOR

       Please send feedback, bug reports, and support requests to the Math::Symbolic support mailing list: math-symbolic-support at lists dot
       sourceforge dot net. Please consider letting us know how you use Math::Symbolic. Thank you.

       If you're interested in helping with the development or extending the module's functionality, please contact the developers' mailing list:
       math-symbolic-develop at lists dot sourceforge dot net.

       List of contributors:

	 Steffen Mueller, symbolic-module at steffen-mueller dot net
	 Stray Toaster, mwk at users dot sourceforge dot net
	 Oliver Ebenhoeh

SEE ALSO

       New versions of this module can be found on http://steffen-mueller.net or CPAN. The module development takes place on Sourceforge at
       http://sourceforge.net/projects/math-symbolic/

       Math::Symbolic::Custom Math::Symbolic::Custom::DefaultMods Math::Symbolic::Custom::DefaultTests Math::Symbolic

perl v5.10.1							    2011-01-01			       Math::Symbolic::Custom::DefaultDumpers(3pm)

Check Out this Related Man Page

Math::Symbolic::AuxFunctions(3pm)			User Contributed Perl Documentation			 Math::Symbolic::AuxFunctions(3pm)

NAME

       Math::Symbolic::AuxFunctions - Auxiliary functions for Math::Symbolic hierarchy

SYNOPSIS

	 use Math::Symbolic::AuxFunctions;

	 Math::Symbolic::AuxFunctions::acos($x);
	 # etc

DESCRIPTION

       This module contains implementations of some auxiliary functions that are used within the Math::Symbolic hierarchy of modules. In
       particular, this module holds all trigonometric functions used for numeric evaluation of trees by Math::Symbolic::Operator.

   EXPORT
       None. On purpose. If I wished this module would pollute others' namespaces, I'd have put the functions right where they're used.

TRIGONOMETRIC FUNCTIONS

   tan
       Computes the tangent sin(x) / cos(x).

   cot
       Computes the cotangent cos(x) / sin(x).

   asin
       Computes the arc sine asin(z) = -i log(iz + sqrt(1-z*z)).  Above formula is for complex numbers.

   acos
       Computes the arc cosine acos(z) = -i log(z + sqrt(z*z-1)).  Above formula is for complex numbers.

   atan
       Computes the arc tangent atan(z) = i/2 log((i+z) / (i-z)).  Above formula is for complex numbers.

   acot
       Computes the arc cotangent ( atan( 1 / x ) ).

   asinh
       Computes the arc hyperbolic sine asinh(z) = log(z + sqrt(z*z+1))

   acosh
       Computes the arc hyperbolic cosine acosh(z) = log(z + sqrt(z*z-1)).

OTHER FUNCTIONS

   binomial_coeff
       Calculates the binomial coefficient n over k of its first two arguments (n, k).

       Code taken from Orwant et al, "Mastering Algorithms with Perl"

   bell_number
       The Bell numbers are defined as follows:

	 B_0   = 1
	 B_n+1 = sum_k=0_to_n( B_k * binomial_coeff(n, k) )

       This function uses memoization.

AUTHOR

       Please send feedback, bug reports, and support requests to the Math::Symbolic support mailing list: math-symbolic-support at lists dot
       sourceforge dot net. Please consider letting us know how you use Math::Symbolic. Thank you.

       If you're interested in helping with the development or extending the module's functionality, please contact the developers' mailing list:
       math-symbolic-develop at lists dot sourceforge dot net.

       List of contributors:

	 Steffen Mueller, symbolic-module at steffen-mueller dot net
	 Stray Toaster, mwk at users dot sourceforge dot net
	 Oliver Ebenhoeh

SEE ALSO

       New versions of this module can be found on http://steffen-mueller.net or CPAN. The module development takes place on Sourceforge at
       http://sourceforge.net/projects/math-symbolic/

       Math::Symbolic

perl v5.10.1							    2011-01-01					 Math::Symbolic::AuxFunctions(3pm)
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