cara kerjain matriks

<p><strong>Penjumlahan/pengurangan matriks&nbsp;</strong></p><p>elemen yang posisinya sama dijumlah/dikurang.</p><p><br><strong>Perkalian matriks </strong>→ baris A × kolom B</p><p><br><strong>Determinan</strong></p><p>untuk matriks 2×2:</p><p>&nbsp;|A| = a.d - b.c</p><p>untuk matriks 3×3, ada 3 metode:</p><p>1. Metode sarrus</p><p>2. Metode minor-cofaktor</p><p>3. OBE</p><p><br><strong>Persamaan matriks</strong>&nbsp;</p><p>&nbsp;samakan elemen yang posisinya sama.</p><p>matriks (A) = matriks (B)</p><p>&nbsp;</p><p><strong>Transpose matriks</strong></p><p>ubah baris jadi kolom</p><p>misal, A=(3 &nbsp;4 ) maka A^T = (3)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (4)</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>