?? interpolation3spooling2ndboundary.cpp
字號(hào):
//Interpolation3Spooling2ndBoundary.cpp
//第二種邊界條件的三次樣條函數(shù)插值,微商,積分
#include <iostream.h> //輸入輸出流頭文件
#include "Interpolation.h" //插值頭文件
void main()
{
int m(8), n(12);
double s, ddy[12];
double x[12] =
{
0.52, 8.0, 17.95, 28.65, 50.65, 104.6,
156.6, 260.7, 364.4, 468.0, 507.0, 520.0
};
double y[12] =
{
5.28794, 13.84, 20.2, 24.9, 31.1, 36.5,
36.6, 31.0, 20.9, 7.8, 1.5, 0.2
};
double t[8] = {4.0, 14.0, 30.0, 60.0, 130.0, 230.0, 450.0, 515.0};
ddy[0] = -0.279319;
ddy[11] = 0.011156;
valarray<double> yy(y, 12);
valarray<double> dyy(12);
valarray<double> ddyy(ddy, 12);
valarray<double> zz(8);
valarray<double> dzz(8);
valarray<double> ddzz(8);
valarray<double> tt(t, 8);
valarray<double> xx(x, 12);
s = Interpolation3Spooling2ndBoundary(xx, yy, dyy, ddyy, tt, zz, dzz, ddzz);
cout<<"Interpolation3Spooling2ndBoundary()"<<endl<<endl;
cout<<"x(i) y(i) dy(i) ddy(i)"<<endl;
for(int i=0; i <12; i++)
cout<<endl<<xx[i]<<"\t\t"<<yy[i]<<"\t\t"<<dyy[i]<<"\t\t"<<ddyy[i];
cout << endl << endl << "s = " << s << endl << endl;
cout<<"t(i) z(i) dz(i) ddz(i)"<<endl;
for(i=0; i<8; i++)
cout<<endl<<tt[i]<<"\t\t"<<zz[i]<<"\t\t"<<dzz[i]<<"\t\t"<<ddzz[i];
cout << endl;
}
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