using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?System.Drawing.Drawing2D;
using?System.Drawing.Imaging;

namespace?WindowsFormsApplication3
{

????public?partial?class?Form1?:?Form
????{
????????double[]?X?=?new?double[5]{12345};//get?data
????????double[]?Y?=?new?double[5]?{12345?};
????????double?a=0;
????????double?b=0;
????????
????????public?Form1（）
????????{

????????????InitializeComponent（）;


????????}
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
???????????
???????????
????????????double?sumX?=?0;
????????????double?sumY?=?0;
????????????double?sumx?=?0;
????????????double?sumy?=?0;
????????????double?sumxy?=?0;
???????????
????????????double?s=0;
????????????double?r?=?0;
????????????string?str?=?null;

????????????for?（int?i?=?0;?i?????????????{

????????????????sumX?=?sumX?+?X[i];
????????????????sumY?=?sumY?+?Y[i];
????????????????sumx?=?sumx?+?X[i]?*?X[i];
????????????????sumy?=?sumy?+?Y[i]?*?Y[i];
????????????????sumxy?=?sumxy?+?X[i]?*?Y[i];
????????????}
??????????
???????????a?=?sumxy/sumx;//calculate?k
???????????for（int?i=0;i<5;i++）{
???????????s=s+（Y[i]-a*X[i]）*（Y[i]-a*X[i]）;//標準差
???????????
???????????}
???????????b?=?a?*?a?/?（4?*?5?*?s?+?a?*?a）;//決定系數
???????????r?=?sumxy?/?Math.Sqrt（sumx*sumy）;//相關系數
??????????
????????????
????????????str?=?“y=“?+?a.ToString（“0.000“）?+?“*x“;
????????????this.textBox1.Text?=?a.ToString（“0.000“）;
????????????this.textBox2.Text?=?b.ToString（“0.000“）;
????????????this.textBox3.Text?=?r.ToString（“0.000“）;

????????????this.textBox4.Text?=?“y=“?+?a.ToString（“0.000“）?+?“*x“;
???????????
????????????
????????}



????????private?void?panel1_Paint（object?sender?PaintEventArgs?e）
????????{

????????????????Graphics?g?=?e.Graphics;
????????????????Pen?pn1?=?new?Pen（Color.Red）;
????????????????Pen?pn2?=?new?Pen（Color.Black）;
????????????????Point?p1?=?new?Point（50?300）;
????????????????Point?p2?=?new?Point（50?20）;
????????????????Point?p3?=?new?Point（50?300）;
????????????????Point?p4?=?new?Point（350?300）;
????????????????//原點50300
????????????????g.DrawLine（pn2?p1?p2）;
????????????????g.DrawLine（pn2?p3?p4）;
????????????????Font?fnt?=?new?Font（“Verdana“?9）;
????????????????g.DrawString（“?“?fnt?new?SolidBrush（Color.Black）?343?292）;
????????????????g.DrawString（“▲“?fnt?new?SolidBrush（Color.Black）?42?8）;
????????????????g.DrawString（“Y“?fnt?new?SolidBrush（Color.Black）?5?150）;
????????????????g.DrawString（“軸“?fnt?new?SolidBrush（Color.Black）?5?165）;
????????????????g.DrawString（“X軸“?fnt?new?SolidBrush（Color.Black）?200?320）;
????????????????g.DrawString（“飽和度—電阻增大率“fntnew?SolidBrush?（Color.Black）20010）;
????????????????for?（int?i?=?0;?i?????????????????{
????????????????????Point?p5?=

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????12288??2014-09-08?11:06??加權\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.exe

?????文件??????32256??2014-09-08?11:06??加權\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.pdb

?????文件??????11592??2014-09-10?10:16??加權\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.vshost.exe

?????文件??????11776??2014-09-30?10:26??加權\WindowsFormsApplication3\bin\Release\WindowsFormsApplication3.exe

?????文件??????32256??2014-09-30?10:26??加權\WindowsFormsApplication3\bin\Release\WindowsFormsApplication3.pdb

?????文件??????11592??2014-10-29?15:41??加權\WindowsFormsApplication3\bin\Release\WindowsFormsApplication3.vshost.exe

?????文件????????490??2009-06-11?05:14??加權\WindowsFormsApplication3\bin\Release\WindowsFormsApplication3.vshost.exe.manifest

?????文件???????4035??2014-09-16?12:09??加權\WindowsFormsApplication3\Form1.cs

?????文件???????7610??2013-09-09?16:41??加權\WindowsFormsApplication3\Form1.Designer.cs

?????文件???????5814??2013-09-09?16:41??加權\WindowsFormsApplication3\Form1.resx

?????文件???????3761??2014-09-10?10:16??加權\WindowsFormsApplication3\obj\Debug\WindowsFormsApplication3.csproj.FileListAbsolute.txt

?????文件????????847??2014-09-04?09:51??加權\WindowsFormsApplication3\obj\Debug\WindowsFormsApplication3.csproj.GenerateResource.Cache

?????文件??????12288??2014-09-08?11:06??加權\WindowsFormsApplication3\obj\Debug\WindowsFormsApplication3.exe

?????文件????????180??2014-09-08?11:06??加權\WindowsFormsApplication3\obj\Debug\WindowsFormsApplication3.Form1.resources

?????文件??????32256??2014-09-08?11:06??加權\WindowsFormsApplication3\obj\Debug\WindowsFormsApplication3.pdb

?????文件????????180??2014-09-08?11:06??加權\WindowsFormsApplication3\obj\Debug\WindowsFormsApplication3.Properties.Resources.resources

?????文件???????2318??2014-10-29?15:41??加權\WindowsFormsApplication3\obj\Release\WindowsFormsApplication3.csproj.FileListAbsolute.txt

?????文件????????847??2013-09-09?16:41??加權\WindowsFormsApplication3\obj\Release\WindowsFormsApplication3.csproj.GenerateResource.Cache

?????文件??????11776??2014-09-30?10:26??加權\WindowsFormsApplication3\obj\Release\WindowsFormsApplication3.exe

?????文件????????180??2014-09-10?10:16??加權\WindowsFormsApplication3\obj\Release\WindowsFormsApplication3.Form1.resources

?????文件??????32256??2014-09-30?10:26??加權\WindowsFormsApplication3\obj\Release\WindowsFormsApplication3.pdb

?????文件????????180??2014-09-10?10:16??加權\WindowsFormsApplication3\obj\Release\WindowsFormsApplication3.Properties.Resources.resources

?????文件????????505??2014-08-11?09:50??加權\WindowsFormsApplication3\Program.cs

?????文件???????1380??2014-08-11?09:50??加權\WindowsFormsApplication3\Properties\AssemblyInfo.cs

?????文件???????2898??2014-08-11?09:50??加權\WindowsFormsApplication3\Properties\Resources.Designer.cs

?????文件???????5612??2014-08-11?09:50??加權\WindowsFormsApplication3\Properties\Resources.resx

?????文件???????1109??2014-08-11?09:50??加權\WindowsFormsApplication3\Properties\Settings.Designer.cs

?????文件????????249??2014-08-11?09:50??加權\WindowsFormsApplication3\Properties\Settings.settings

?????文件???????3794??2014-09-08?11:06??加權\WindowsFormsApplication3\WindowsFormsApplication3.csproj

?????文件????????962??2014-08-11?09:50??加權\WindowsFormsApplication3.sln

............此處省略16個文件信息