create matrix
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GGB ⟩ 矩陣 ⟩ 輸入矩陣
Overleaf ⟩ Matrices (LaTeX)
https://www.geogebra.org/classic/wyyqh8nr
// 使用指令列 A = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}
可得 A=[123456789]A=\begin{bmatrix} 1 & 2 & 3\\ 4 & 5 & 6\\ 7 & 8 &9\end{bmatrix}A=147258369
在試算表中選擇要當作矩陣的儲存格,按滑鼠右鍵,選擇「新增」->「矩陣」。