h.java

JAVA 数学程序库 提供常规的数值计算程序包

package jmathlib.toolbox.jmathlib.matrix._private.Jampack;

/**
   H computes the conjugate transpose  of a matrix
   and the transpose of a complex matrix.

   @version Pre-alpha
   @author G. W. Stewart
*/

public class H{

/**
   Returns the conjugate transpose of a Zmat.
   @param A  The matrix to be conjugated and transposed
   @return   The conjugate transpose of A
*/
   public static Zmat o(Zmat A)
   {

      Zmat Ah = new Zmat(A.nc, A.nr);
      for (int i=0; i<A.nr; i++)
         for (int j=0; j<A.nc; j++){
            Ah.re[j][i] = A.re[i][j];
            Ah.im[j][i] = -A.im[i][j];
         }
      return Ah;
   }

/**
   Returns the conjugate transpose of a Zdiagmat.
   @param D  The matrix to be conjugated (and transposed)
   @return   The conjugate transpose of D
*/

   public static Zdiagmat o(Zdiagmat D){

      Zdiagmat Dh = new Zdiagmat(D);
      for (int i=0; i<Dh.n; i++){
         Dh.im[i] = -Dh.im[i];
      }
      return Dh;
   }

/**
   Returns the transpose of a Zmat.
   @param A  The matrix to be transposed
   @return   The transpose of A
*/
   public static Zmat trans(Zmat A)
   {

      Zmat Ah = new Zmat(A.nc, A.nr);
      for (int i=0; i<A.nr; i++)
         for (int j=0; j<A.nc; j++){
            Ah.re[j][i] = A.re[i][j];
            Ah.im[j][i] = A.im[i][j];
         }
      return Ah;
   }
}