I would like to add symbols and labels to a given matrix. To specify what I an looking for, I will provide some graphical examples below.
Basically, I just want to attach data to a matrix in a way that it is properly aligned. For example, We could add some keys indicating the dimensions of the matrix
Or maybe we could add some labels to the columns
In any case, I would like to know how to align certain data with data inside a given matrix.
If you would like to help, I will provide to you the code of both matrices.
\text{det}\begin{pmatrix} a_0 & a_1 & \dots & a_{n-1} & a_n & 0 & \dots & 0\\ 0 & a_0 & \dots & a_{n-2} & a_{n-1} & a_n & \dots & 0 \\ & & \ddots & & & & \ddots & \\ 0 & 0 & \dots & a_0 & a_1 & a_2 & \dots & a_n \\ b_0 & b_1 & \dots & b_{m-1} & b_m & 0 & \dots & 0 \\ 0 & b_0 & \dots & b_{m-2} & b_{m-1} & b_m & \dots & 0\\ & & \ddots & & & & \ddots & & \\ 0 & 0 & \dots & b_0 & b_1 & b_2 & \dots & b_m \end{pmatrix}
\text{det}\begin{pmatrix} -a & 0 & \dots & 0 & 0 & 1 & \dots & 0\\ 0 & -a & \dots & 0 & 0 & 0 & \dots & 0 \\ \vdots & \vdots & \ddots & \vdots & \vdots & \vdots & \ddots & \vdots \\ 0 & 0 & \dots & -a & 0 & 0 & \dots & 1 \\ 0 & 0 & \dots & 0 & n & 0 & \dots & 0 \\ 0 & 0 & \dots & 0 & 0 & n & \dots & 0\\ \vdots & \vdots & \ddots & \vdots & \vdots & \vdots & \ddots & \vdots \\ 0 & 0 & \dots & 0 & 0 & 0 & \dots & n \end{pmatrix}=(-a)^{n-1}n^n
Thanks in advance for your attention.
\text{det}
,\text
does not do what you think. Besides LaTeX already provides\det
for that.