きんじゅいい - 経済統計練習帳

package math; 
 
 
import org.apache.commons.math3.analysis.UnivariateFunction;
import org.apache.commons.math3.analysis.interpolation.SplineInterpolator;
import org.apache.commons.math3.analysis.interpolation.* ;
 
class pro{
 
public static void main(String[] args) {
 
pro test=new pro();
}
 
pro(){
 
double x[] = { 0.0, 1.0, 2.0,5 };
double y[] = { 1.0, -1.0, 2,5};
UnivariateInterpolator interpolator = new SplineInterpolator();
UnivariateFunction function = interpolator.interpolate(x, y);
double interpolationX = 1;
double z=function.value(1);
 
System.out.println(z);
 
}
}