Ejemplos de MCordingley\LinearAlgebra Matrix::diagonal en PHP

diagonal() public method

public diagonal ( ) : self
return	self

Ejemplo n.º 1

Archivo: MatrixTest.php Proyecto: mcordingley/linearalgebra

 public function testDiagonal()
 {
     $matrix = new Matrix([[1, 2, 3], [4, 5, 6], [7, 8, 9]]);
     $diagonal = $matrix->diagonal();
     static::assertEquals(1, $diagonal->get(0, 0));
     static::assertEquals(0, $diagonal->get(0, 1));
     static::assertEquals(0, $diagonal->get(0, 2));
     static::assertEquals(0, $diagonal->get(1, 0));
     static::assertEquals(5, $diagonal->get(1, 1));
     static::assertEquals(0, $diagonal->get(1, 2));
     static::assertEquals(0, $diagonal->get(2, 0));
     static::assertEquals(0, $diagonal->get(2, 1));
     static::assertEquals(9, $diagonal->get(2, 2));
 }