資源簡介
一個基于C++的多項式曲線擬合源代碼,運用最小二乘法,供大家參考。
代碼片段和文件信息
#include?
#include?
#include?
#include?
using?namespace?std;
//最小二乘擬合相關函數定義
//double?sum(vector?Vnum?int?n);
//double?MutilSum(vector?Vx?vector?Vy?int?n);
double?RelatePow(vector?Vx?int?n?int?ex);
double?RelateMutiXY(vector?Vx?vector?Vy?int?n?int?ex);
void?EMatrix(vector?Vx?vector?Vy?int?n?int?ex?double?coefficient[]);
void?CalEquation(int?exp?double?coefficient[]);
double?F(double?c[]?int?l?int?m);
double?Em[6][4];
//主函數,這里將數據擬合成二次曲線
int?main(int?argc?char*?argv[])
{
/*int?a;
vector?arry1(a)?arry2(a);*/
double?arry1[5]?=?{?00.25050.75?};
double?arry2[5]?=?{?11.2831.6492.2122.178?};
double?coefficient[5]?;
memset(coefficient?0?sizeof(coefficient))
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
????..A..H.?????27648??2019-02-13?14:10??Functionfitting\.vs\Functionfitting\v14\.suo
?????文件???????3113??2019-02-13?14:10??Functionfitting\Functionfitting\functionfitting.cpp
?????文件???????7264??2018-12-04?14:28??Functionfitting\Functionfitting\Functionfitting.vcxproj
?????文件????????956??2018-12-04?14:28??Functionfitting\Functionfitting\Functionfitting.vcxproj.filters
?????文件????????195??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\Functionfitting.log
?????文件?????294170??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\functionfitting.obj
?????文件????????620??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\Functionfitting.tlog\CL.command.1.tlog
?????文件??????10048??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\Functionfitting.tlog\CL.read.1.tlog
?????文件????????472??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\Functionfitting.tlog\CL.write.1.tlog
?????文件????????183??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\Functionfitting.tlog\Functionfitting.lastbuildstate
?????文件???????1158??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\Functionfitting.tlog\li
?????文件???????2602??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\Functionfitting.tlog\li
?????文件????????436??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\Functionfitting.tlog\li
?????文件?????347136??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\vc140.idb
?????文件?????430080??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\vc140.pdb
?????文件???????1327??2018-12-04?14:26??Functionfitting\Functionfitting.sln
?????文件?????110592??2019-02-13?10:19??Functionfitting\x64\Debug\Functionfitting.exe
?????文件????1813900??2019-02-13?10:19??Functionfitting\x64\Debug\Functionfitting.ilk
?????文件????1675264??2019-02-13?10:19??Functionfitting\x64\Debug\Functionfitting.pdb
?????目錄??????????0??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug\Functionfitting.tlog
?????目錄??????????0??2018-12-04?14:26??Functionfitting\.vs\Functionfitting\v14
?????目錄??????????0??2019-02-13?10:19??Functionfitting\Functionfitting\x64\Debug
?????目錄??????????0??2018-12-04?14:26??Functionfitting\.vs\Functionfitting
?????目錄??????????0??2018-12-04?14:28??Functionfitting\Functionfitting\x64
?????目錄??????????0??2018-12-05?14:26??Functionfitting\x64\Debug
????...D.H.?????????0??2018-12-04?14:26??Functionfitting\.vs
?????目錄??????????0??2019-02-13?14:10??Functionfitting\Functionfitting
?????目錄??????????0??2018-12-04?14:28??Functionfitting\x64
?????目錄??????????0??2019-02-13?14:10??Functionfitting
?????文件????8593408??2019-02-13?14:10??Functionfitting\Functionfitting.VC.db
............此處省略3個文件信息
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