資源簡(jiǎn)介
c#寫(xiě)的三種尋找最優(yōu)解的算法;分別是格點(diǎn)法,單峰區(qū)間進(jìn)退法,和黃金分割法,適合初學(xué)者學(xué)習(xí)使用

代碼片段和文件信息
using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;
namespace?格點(diǎn)法
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1()
????????{
????????????InitializeComponent();
????????}
????????double?f1(double?x)
????????{
????????????double?f;
????????????f?=?x?*?x?-?6?*?x?+?2;
????????????return?f;
????????}
????????private?void?button1_Click(object?sender?EventArgs?e)
????????{
????????????int?n?=?4;
????????????double?E?=?0.001;
????????????double[]?x?=?new?double[5];
????????????x[0]?=?0.0;
????????????x[4]?=?10.0;
????????????do
????????????{
????????????????for?(n?=?0;?n?<=?4;?n++)
????????????????{
????????????????????x[n]?=?x[0]?+?n?*?((x[4]?-?x[0])?/?4.0);
????????????????}
????????????????double?min?=?f1(x[0]);
????????????????for?(n?=?1;?n?+?1?<=?4;?n++)
????????????????{
????????????????????if?(f1(x[n])?????????????????????{
????????????????????????min?=?f1(x[n]);
????????????????????????x[0]?=?x[n?-?1];
????????????????????????x[1]?=?x[n];
????????????????????????x[4]?=?x[n?+?1];
????????????????????}
????????????????}
????????????}?while?(x[4]?-?x[0]?>?E);
????????????label1.Text?=?x[1].ToString();
????????}
????????private?void?button2_Click(object?sender?EventArgs?e)
????????{
????????????double?a1?a2?a3?h?h0?y1?y2?y3;
????????????a1?=?5;
????????????h0?=?1;
????????????h?=?h0;
????????????a2?=?h;
????????????y1?=?f1(a1);
????????????y2?=?f1(a2);
????????????if?(y2?>=?y1)
????????????{
????????????????h?=?-h;
????????????????a3?=?a1;
????????????????y3?=?y1;
????????????????do
????????????????{
????????????????????a1?=?a2;?a2?=?a3;//變換前進(jìn)方向,交換參數(shù)位置
????????????????????y1?=?y2;?y2?=?y3;
????????????????????a3?=?a2?+?h;
????????????????????y3?=?f1(a3);
????????????????????h?=?2?*?h;
????????????????}?while?(y3?????????????????label2.Text=“[“+a3.ToString()+““+a1.ToString()+“]“;
????????????}
????????????else
????????????{
????????????????a3?=?a2?+?h;
????????????????y3?=?f1(a3);
????????????????if?(y3?????????????????{
????????????????????while?(y3?????????????????????{
????????????????????????h=2*h;
????????????????????????a1?=?a2;?a2?=?a3;
????????????????????????y1?=?y2;?y2?=?y3;
????????????????????????a3?=?a2?+?h;
????????????????????????y3?=?f1(a3);
????????????????????}
????????????????????label2.Text?=?“[“?+?a1.ToString()?+?““?+?a3.ToString()?+?“]“;
????????????????}
????????????}
????????????
????????}
????????private?void?button3_Click(object?sender?EventArgs?e)
????????{
????????????double?a?b?E?y1?y2?a1?a2?min;
????????????a?=?0;
????????????b?=?10;
????????????E=?0.001;
????????????a1?=?b?-?0.618?*?(b?-?a);
????????????a2?=?a?+?0.618?*?(b?-?a);
????????????y1?=?f1(a1);
????????????y2?=?f1(a2);
???????
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????993??2016-10-18?13:59??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\三種方法.sln
????..A..H.?????18432??2016-10-18?14:47??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\三種方法.v11.suo
?????文件????????187??2016-10-18?11:21??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\App.config
?????文件????????187??2016-10-18?11:21??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法+.exe.config
?????文件????????187??2016-10-18?11:21??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法+.vshost.exe.config
?????文件??????10240??2016-10-18?14:40??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法+單峰區(qū)間法+黃金分割法.exe
?????文件????????187??2016-10-18?11:21??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法+單峰區(qū)間法+黃金分割法.exe.config
?????文件??????26112??2016-10-18?14:40??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法+單峰區(qū)間法+黃金分割法.pdb
?????文件??????22984??2016-10-18?14:47??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法+單峰區(qū)間法+黃金分割法.vshost.exe
?????文件????????187??2016-10-18?11:21??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法+單峰區(qū)間法+黃金分割法.vshost.exe.config
?????文件????????490??2015-10-30?13:45??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法+單峰區(qū)間法+黃金分割法.vshost.exe.manifest
?????文件??????10240??2016-10-18?13:54??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法.exe
?????文件????????187??2016-10-18?11:21??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法.exe.config
?????文件??????26112??2016-10-18?13:54??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法.pdb
?????文件????????187??2016-10-18?11:21??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法.vshost.exe.config
?????文件????????490??2015-10-30?13:45??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\bin\Debug\格點(diǎn)法.vshost.exe.manifest
?????文件???????3570??2016-10-18?14:40??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\Form1.cs
?????文件???????4875??2016-10-18?13:59??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\Form1.Designer.cs
?????文件???????5817??2016-10-18?13:59??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\Form1.resx
?????文件???????1278??2016-10-18?12:47??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件???????7060??2016-10-18?14:46??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件??????????0??2016-10-18?11:21??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件??????????0??2016-10-18?11:21??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件??????????0??2016-10-18?11:21??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????文件???????4608??2016-10-18?13:57??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll
?????文件????????180??2016-10-18?13:59??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\作業(yè).Properties.Resources.resources
?????文件??????10240??2016-10-18?14:40??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\格點(diǎn)法+單峰區(qū)間法+黃金分割法.exe
?????文件??????26112??2016-10-18?14:40??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\格點(diǎn)法+單峰區(qū)間法+黃金分割法.pdb
?????文件???????1347??2016-10-18?14:47??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\格點(diǎn)法+單峰區(qū)間進(jìn)退法法+黃金分割.csproj.FileListAbsolute.txt
?????文件????????975??2016-10-18?13:59??格點(diǎn)法+單峰區(qū)間進(jìn)退法+黃金分割法c#版本\格點(diǎn)法\obj\Debug\格點(diǎn)法+單峰區(qū)間進(jìn)退法法+黃金分割.csproj.GenerateResource.Cache
............此處省略29個(gè)文件信息
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