@Test public void testJoinedArrayVectorAddMultiple2() {
AVector v=Vector.of(1).join(Vector.of(2,3));
AVector t=Vector.of(0,0,0,0).join(Vector.of(0,0)).join(Vector.of(0,0,0,0));
t.addMultiple(0, v, 1);
assertEquals(Vector.of(1,2,3,0,0,0,0,0,0,0),t);
t.addMultiple(5, v, 2);
assertEquals(Vector.of(1,2,3,0,0,2,4,6,0,0),t);
}
@Test public void testJoinedRows() {
assertEquals(Vector.class, Vectorz.join(Matrixx.createRandomMatrix(5, 5).getSlices()).getClass());