public function testTranspose(array $M)
{
$C = new ColumnVector($M);
$Cᵀ = $C->transpose();
$this->assertInstanceOf('MathPHP\\LinearAlgebra\\RowVector', $Cᵀ);
$this->assertInstanceOf('MathPHP\\LinearAlgebra\\Matrix', $Cᵀ);
$this->assertEquals(1, $Cᵀ->getM());
$this->assertEquals(count($M), $Cᵀ->getN());
$this->assertEquals($M, $Cᵀ->getRow(0));
}