public function testAugment(array $A, array $B, array $⟮A∣B⟯) { $A = MatrixFactory::create($A); $B = MatrixFactory::create($B); $⟮A∣B⟯ = MatrixFactory::create($⟮A∣B⟯); $this->assertEquals($⟮A∣B⟯, $A->augment($B)); }