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#pragma once
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#ifndef LinearFitting_h__
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#define LinearFitting_h__
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namespace NChart
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{
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class AFX_EXT_CLASS CLinearFitting
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{
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public:
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CLinearFitting();
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virtual ~CLinearFitting();
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//////////////////////////////////////////////////////////////////////////////////////////
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//<2F><><EFBFBD><EFBFBD><EFBFBD>ṹ<EFBFBD><E1B9B9>
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struct Matrix
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{
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int m,n;//mΪ<6D><CEAA><EFBFBD><EFBFBD>,nΪ<6E><CEAA><EFBFBD><EFBFBD>
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double **pm;//ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ά<EFBFBD><CEAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
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};
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//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>mt<6D><74><EFBFBD><EFBFBD><EFBFBD>þ<EFBFBD><C3BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊm<CEAA><6D><EFBFBD><EFBFBD>Ϊn
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void InitMatrix(struct Matrix *mt,int m,int n);
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//<2F><>0<EFBFBD><30>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>mt<6D><74><EFBFBD><EFBFBD><EFBFBD>þ<EFBFBD><C3BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊm<CEAA><6D><EFBFBD><EFBFBD>Ϊn
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void InitMatrix0(struct Matrix *mt,int m,int n);
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//<2F><><EFBFBD>پ<EFBFBD><D9BE><EFBFBD>mt
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void DestroyMatrix(struct Matrix *mt);
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>mt3=mt1*mt2
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//<2F>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><31>ʧ<EFBFBD>ܷ<EFBFBD><DCB7><EFBFBD>0
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int MatrixMul(Matrix *mt1,Matrix *mt2,Matrix *mt3);
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//<2F><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>mt2=T(mt1)
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//<2F>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><31>ʧ<EFBFBD>ܷ<EFBFBD><DCB7><EFBFBD>0
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int MatrixTran(Matrix *mt1,Matrix *mt2);
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//////////////////////////////////////////////////////////////////////////////////////////
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//Guass<73><73><EFBFBD><EFBFBD>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD><EFBFBD>ⷽ<EFBFBD><E2B7BD>Ax=b,a=(A,b)
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int Guassl(double **a,double *x,int n);
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///////////////////////////////////////////////////////////////////////////////////////////
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//<2F><>С<EFBFBD><D0A1><EFBFBD>˷<EFBFBD><CBB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ax=b
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int MinMul(Matrix A,Matrix b,double *x);
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int MinMul(double **A,double *b,int m,int n,double *x);
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//<2F><><EFBFBD><EFBFBD>̨<EFBFBD><CCA8>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>mt
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void ConsoleShowMatrix(Matrix *mt);
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//<2F><>С<EFBFBD><D0A1><EFBFBD>˷<EFBFBD> x,yΪx,y<><79><EFBFBD>飬num Ϊ<><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>result<6C><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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void LinearFitting(double* x, double* y, int num, double* result); //<2F>ֱ<EFBFBD><D6B1><EFBFBD>x,y<><79><EFBFBD><EFBFBD><EFBFBD><EFBFBD><CDB8><EFBFBD>
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};
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}//namespace
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#endif // LinearFitting_h__
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