Đi đến nội dung chính\(\require{cancel}\require{mathtools}\require{color}\require{boldsymbol}\newcommand{\N}{\mathbb{N}}
\newcommand{\pN}{\mathbb{N}^{*}}
\newcommand{\Z}{\mathbb{Z}}
\newcommand{\pZ}{\mathbb{Z}^{+}}
\newcommand{\mZ}{\mathbb{Z}^{-}}
\newcommand{\Q}{\mathbb{Q}}
\newcommand{\nQ}{\bar{\mathbb{Q}}}
\newcommand{\R}{\mathbb{R}}
\newcommand{\bs}[1]{\boldsymbol{#1}}
\newcommand{\mat}[1]{\begin{matrix}#1\end{matrix}}
\newcommand{\bmat}[1]{\begin{bmatrix}#1\end{bmatrix}}
\newcommand{\pmat}[1]{\begin{pmatrix}#1\end{pmatrix}}
\newcommand{\amat}[1]{\left\langle\begin{matrix}#1\end{matrix}\right\rangle}
\newcommand{\hvec}[1]{\bs{[}\begin{matrix}#1\end{matrix}\bs{]}}
\newcommand{\smat}[1]{\begin{smallmatrix}#1\end{smallmatrix}}
\newcommand{\sbmat}[1]{\begin{bsmallmatrix}#1\end{bsmallmatrix}}
\newcommand{\spmat}[1]{\begin{psmallmatrix}#1\end{psmallmatrix}}
\newcommand{\samat}[1]{\left\langle\begin{smallmatrix}#1\end{smallmatrix}\right\rangle}
\newcommand{\shvec}[1]{\bs{[}\begin{smallmatrix}#1\end{smallmatrix}\bs{]}}
\newcommand{\lt}{<}
\newcommand{\gt}{>}
\newcommand{\amp}{&}
\definecolor{fillinmathshade}{gray}{0.9}
\newcommand{\fillinmath}[1]{\mathchoice{\colorbox{fillinmathshade}{$\displaystyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\textstyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\scriptstyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\scriptscriptstyle\phantom{\,#1\,}$}}}
\)
Mục 2.6 Nhân Ma Trận Và Vector
Mục Tiêu
Tiểu Mục 2.6.1 Nhân ma trận và vector trong lập trình
Output 2.6.1.
[[14]
[20]
[26]]
[[14 20 26]]
Output 2.6.2.
\begin{equation*}
\bmat{\frac{1}{3} & 0 & -1 \\ 2 & 1 & -2 \\ 3 & 3 & 0} \cdot \bmat{1 \\ 2 \\ 3} = \bmat{-\frac{8}{3} \\ -2 \\ 9}
\end{equation*}
\begin{equation*}
\bmat{1 & 2 & 3} \cdot \bmat{\frac{1}{3} & 0 & -1 \\ 2 & 1 & -2 \\ 3 & 3 & 0} = \bmat{\frac{40}{3} & 11 & -5}
\end{equation*}
