ｄｄｄ９８８ - 経済統計練習帳

package math;
 
import org.apache.commons.math3.transform.FastFourierTransformer;
import org.apache.commons.math3.complex.Complex;
import org.apache.commons.math3.transform.DftNormalization;
import org.apache.commons.math3.transform.TransformType;
 
class pro{
 
public static void main(String[] args) { 
pro test=new pro();
}
 
pro(){
 
 
 
 
Complex[] comp=new Complex[60];
 
 
double[] sig=new double[2];
int s;
for(s=0;s<2;s++){
sig[s]=100;    
}
 
 
FastFourierTransformer fft = new FastFourierTransformer(DftNormalization.STANDARD);
comp=fft.transform(sig,TransformType.INVERSE);
 
 
 
 
 
}
}