diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-07 07:38:25 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-07 07:38:25 +0000 |
commit | 9ff1e787f915539b1980654e3d3d2013ff5c81d2 (patch) | |
tree | 8d0fc9ca5b4dbfa9885dc56862292d55091bcaac /ruby_1_8_6/ext/bigdecimal/sample/nlsolve.rb | |
parent | 441546edcfbb1b346c87b69c5f578d1a0e522e06 (diff) |
wrong commit; sorryv1_8_6_269
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_269@17938 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_6/ext/bigdecimal/sample/nlsolve.rb')
-rw-r--r-- | ruby_1_8_6/ext/bigdecimal/sample/nlsolve.rb | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/ruby_1_8_6/ext/bigdecimal/sample/nlsolve.rb b/ruby_1_8_6/ext/bigdecimal/sample/nlsolve.rb deleted file mode 100644 index 7f729e6aaa..0000000000 --- a/ruby_1_8_6/ext/bigdecimal/sample/nlsolve.rb +++ /dev/null @@ -1,38 +0,0 @@ -#!/usr/local/bin/ruby - -# -# nlsolve.rb -# An example for solving nonlinear algebraic equation system. -# - -require "bigdecimal" -require "bigdecimal/newton" -include Newton - -class Function - def initialize() - @zero = BigDecimal::new("0.0") - @one = BigDecimal::new("1.0") - @two = BigDecimal::new("2.0") - @ten = BigDecimal::new("10.0") - @eps = BigDecimal::new("1.0e-16") - end - def zero;@zero;end - def one ;@one ;end - def two ;@two ;end - def ten ;@ten ;end - def eps ;@eps ;end - def values(x) # <= defines functions solved - f = [] - f1 = x[0]*x[0] + x[1]*x[1] - @two # f1 = x**2 + y**2 - 2 => 0 - f2 = x[0] - x[1] # f2 = x - y => 0 - f <<= f1 - f <<= f2 - f - end -end - f = BigDecimal::limit(100) - f = Function.new - x = [f.zero,f.zero] # Initial values - n = nlsolve(f,x) - p x |