TMtx.Hankel Method

Summary

Constructs a Hankel matrix.

Class
TMtx

Declaration

Function Hankel(FirstColumn: TVec): TMtx;

Description

Constructs a Hankel matrix whose first column is FirstColumn and whose elements are zero below the first anti-diagonal. The Rows, Cols and Complex properties of the calling matrix are adjusted automatically.

Example 1

      var v: TVec;
          H: TMtx;
      begin
        CreateIt(v);
        CreateIt(H);
        try
          v.SetIt(False,[1,2,3,4]);
          H.Hankel(v);
          // H becomes:
          //[1  2  3  4]
          //[2  3  4  0]
          //[3  4  0  0]
          //[4  0  0  0]
        finally
          FreeIt(H);
          FreeIt(v);
        end;
      end;