function testMakeHilbert() { $data = array(array(1, 1 / 2, 1 / 3), array(1 / 2, 1 / 3, 1 / 4), array(1 / 3, 1 / 4, 1 / 5)); $res = new Math_Matrix($data); $hilb = Math_Matrix::makeHilbert(3); $this->assertEquals($res->toString(), $hilb->toString()); }