polyfit函数的C语言实现 void PolyfitCf(int n_poly,int Nwin_length,int Npoly,double * ypoly,double **fitcoef) { int i,j,m; int nwin_length=Nwin_length; int poly_n=n_poly; int npoly=Npoly; double *x=NULL;//[nwin_length]; if (x==NULL) { x=new double[nwin_length]; } f...
polyfit c拟合精度根据估计有效波的能量,自适应地确定不同时刻拟合检距地震道信号所需的阶次,实现高精度的零炮检距地震道拟合。合成记录和实际数据的处理表明该方法能够有效地减小检距地震道拟合误差,提高拟合精度。 polyfit c拟合精度利用控制网中水准点或联测了水准的三角点为起算点进行高程拟合,其拟合精度主要取决...
void polyfit(int n,double *x,double *y,int poly_n,double a[]);system("cls");polyfit(n,x,y,poly_n,a);for (i=0;i<poly_n+1;i++)/*这里是升序排列,Matlab是降序排列*/ printf("a[%d]=%g\n",i,a[i]);getch();} /*===polyfit(n,x,y,poly_n,a)===*/ /*===...
void polyfit(int n,double *x,double *y,int poly_n,double a[]);system("cls");polyfit(n,x,y,poly_n,a);for (i=0;i<poly_n+1;i++)/*这里是升序排列,Matlab是降序排列*/ printf("a[%d]=%g\n",i,a[i]);getch();} /*===polyfit(n,x,y,poly_n,a)===*/ /*===...
();/*=polyfit(n,x,y,poly_n,a)=*/*=拟合 y=a0+a1*x+a2*x人2+ +apoly_n*xpoly_n=*/*=n 是数据个数 xy 是数据值 poly_n 是多项式的项数 =*/*=返回a0,a1,a2, apoly_n系数比项数多一(常数项)=*/void polyfit(int n,double x,double y,int poly_n,double a)int i,j;double *...
matlab 多项式拟合函数 ployfit 的C语言代码 (0)踩踩(0) 所需:13积分 Il2cppApi.1.11.0 2024-12-13 19:33:48 积分:1 【Java Spring 技术文档】Spring-全面详解(学习总结) 2024-12-13 18:34:43 积分:1 Yapi docker image 2024-12-13 18:29:40 ...
void polyfit(int n, double x[], double y[], int poly_n, double a[]){ int i, j;double *tempx, *tempy, *sumxx, *sumxy, *ata;void gauss_solve(int n, double A[], double x[], double b[]);tempx = new double[n];sumxx = new double[poly_n * 2 + 1];tempy...
void polyfit(int n, double x[], double y[], int poly_n, double a[]){ int i, j;double *tempx, *tempy, *sumxx, *sumxy, *ata;void gauss_solve(int n, double A[], double x[], double b[]);tempx = new double[n];sumxx = new double[poly_n * 2 + 1];tempy...
The polyfit() function regresses a line or a higher-order polynomial to a set of points, using the Method of Least Squares. Its design goals were simplicity and ease of porting, as opposed to run-time efficiency with large data. Arguments pointCount— input. The total number of points in...
用C语言实现polyfit多项式拟合,已知离散点上的数据集,即已知在点集上的函数值,构造一个解析函数(其图形为一曲线)使在原离散点上尽可能接近给定的值。 上传者:u012875373时间:2013-11-18 legendre_勒让德多项式拟合_多项式拟合_ 使用勒让德多项式拟合函数,可调节多项式阶数 ...