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author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:13:14 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:13:14 +0000 |
commit | d0233291bc8a5068e52c69c210e5979e5324b5bc (patch) | |
tree | 7d9459449c33792c63eeb7baa071e76352e0baab /trunk/ext/bigdecimal/sample/nlsolve.rb | |
parent | 0dc342de848a642ecce8db697b8fecd83a63e117 (diff) | |
parent | 72eaacaa15256ab95c3b52ea386f88586fb9da40 (diff) |
re-adding tag v1_9_0_4 as an alias of trunk@18848v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18849 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/ext/bigdecimal/sample/nlsolve.rb')
-rw-r--r-- | trunk/ext/bigdecimal/sample/nlsolve.rb | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/trunk/ext/bigdecimal/sample/nlsolve.rb b/trunk/ext/bigdecimal/sample/nlsolve.rb deleted file mode 100644 index 7f729e6aaa..0000000000 --- a/trunk/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 |