Concenate the Src matrices vertically and store the results in calling matrix. The Rows, Cols and TMtxVec.ComplexComplexproperties of the calling matrix are adjusted automatically. An exception is raised, if any of the Src matrices Complex or Cols properties do not match.
var A,B,C,D,E: TMtx;
begin
CreateIt(A,B,C,D);
CreateIt(E);
try
A.Size(1,2);
B.Size(A);
E.Size(4,4);
// overwrite the lower part of the E matrix// with values from A and B
E.ConcatVert(2,2,[A,B]);
// E becomes://[E11 E12 E13 E14]//[E21 E22 E23 E24]//[A11 A12 E33 E34]//[B11 B12 E43 E44]finally
FreeIt(E);
FreeIt(A,B,C,D);
end;
end;