Kuchotsa chilichonse vuto la matekinoloje

Equations, derivatives, integrals, masentimita, ma triangles, primes, ziwerengero - kapena vuto mawu wophunzitsa amatenga m’magawo.

Linear-Algebra · Matrix-Multiplication

[[1,2],[3,4]] * [[1],[0]]

\left[\begin{matrix}1 & 2\\3 & 4\end{matrix}\right] \left[\begin{matrix}1\\0\end{matrix}\right]

Gawo ndi Gawo

  1. \left[\begin{matrix}1 & 2\\3 & 4\end{matrix}\right] \left[\begin{matrix}1\\0\end{matrix}\right]

    A 2×2 times a 2×1 gives a 2×1 matrix. Entry (i, j) is row i of A dotted with column j of B.

  2. c_{11} = (1)(1) + (2)(0) = 1

  3. c_{21} = (3)(1) + (4)(0) = 3

  4. AB = \left[\begin{matrix}1\\3\end{matrix}\right]

Kusonyeza yankho
AB = \left[\begin{matrix}1\\3\end{matrix}\right]