#-------------------------------------------------------------------------------
# Copyright 2012 Yuriy Lagodiuk
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#   http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#-------------------------------------------------------------------------------
Start time is: Thu Dec 20 02:09:16 EET 2012

f(x) = 0.037473612748792906
1 	 13.1066035437915
2 	 13.1066035437915

f(x) = 0.03907633650413578
3 	 13.106596972914716

f(x) = ((x * (-0.0872113058946149)) + 0.014906325070420667)
4 	 12.655025376552377

f(x) = (0.13723422167838573 / x)
5 	 12.157457270158343
6 	 12.157457270158343

f(x) = (0.13723422167838573 / (x * 1.0913808377181144))
7 	 12.152326784266156
8 	 12.152326784266156

f(x) = (3.2071455614529727 / (x * 25.114850968636148))
9 	 12.152068404736541

f(x) = (3.595526544914747 / ((x * 25.77776235214153) * 1.0913808377181144))
10 	 12.152067661286328

f(x) = (0.7306468226024925 / (x + ((3.1952852003281116 / (x * 25.70161792899045)) * 2.623353842188707)))
11 	 9.952938064507393

f(x) = (0.7306468226024925 / (x + (((3.1952852003281116 / (14.680761568160436 * x)) * 1.39406585192928) * 1.075844125197815)))
12 	 9.952936408450574
13 	 9.952936408450574
14 	 9.952936408450574

f(x) = cos(((-7.899669176555985) / ((x + (-2.934551771761199)) + 1.2773079814532693)))
15 	 5.945158111235378
16 	 5.945158111235378

f(x) = cos(((-7.173167456475843) / (((x - 0.20866701892617723) + 0.20909776128069524) + (-1.6400760520463233))))
17 	 4.078430742322765

f(x) = cos(((-7.45261054740821) / (((x - 4.329856978342905) + 4.371028455719269) + (-1.6400760520463233))))
18 	 2.733571097513842

f(x) = cos((((x - 0.20866701892617723) + 0.20909776128069524) + (-1.5658757184422276)))
19 	 3.3949567063295085E-4

Best function is:
f(x) = cos((((x - 0.20866701892617723) + 0.20909776128069524) + (-1.5658757184422276)))

End time is: Thu Dec 20 02:09:25 EET 2012