diffeq.rb

Path: diffeq.rb
Last Update: Wed Jan 23 12:07:25 GMT-6:00 2008

BEGIN OUTFILE1

Required files

rapfp/ApConfig   rapfp/Ap  

Methods

Si   adjust_step   array   atomall   ats   att   chk_data   comp_expect   comp_expect_sec   compute_order   compute_step_size   compute_step_size_A   const   cs_info   erf   estimate_trunc_err   exact_soln_y   factorial_1   factorial_2   fix_h   get_norms   half_jump_y   jump_y   print_alot   radius_complex   radius_real   sec_to_display   set_constants   set_z   set_z2   set_zz   set_zz2   start_y   time_elapsed   time_sec   which_radius   wrk_prod  

Constants

MAX_UNCHANGED = 0
DEBUG = 0   BEGIN ATS LIBRARY BLOCK
DEBUG2 = 0
SEC_IN_MIN = 60.0
MIN_IN_HOUR = 60.0
HOURS_IN_DAY = 24.0
DAYS_IN_YEAR = 365.0
YEARS_IN_CENTURY = 100.0
CENTURIES_IN_MILLINIUM = 10.0

Public Instance methods

exact_soln_y(y_str,x)

END ATS LIBARY BLOCK BEGIN USER DEF BLOCK

set_constants() 
                                                                  ###

      File:     Ats.rb

      Subject:  Ruby library for a Ruby program ("diffeq.rb")
                generated by Sode.rb
                 to solve a system of ordinary differential
                 equations with long Taylor series.

      Author:   Dennis J. Darland

      Date:     April 10, 2007

   Copyright (C) 2007 Dennis J. Darland#

   This program is free software you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software <Foundation either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

The order and step size control comes from Angel Jorba and Maorong Zou’s Taylor project version 1.3.8

usats.icn

which_radius(prev_pole,real_pole,complex_pole,print_flag)

ans[1] = ($large_float) ans[2] = ($large_float) return(ans) end

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