ly.',
            latex: `\\begin{bmatrix}{c}\
              \\displaystyle \\sum_n^1 & \\sum_n^1 \\
              \\sum_n^1
            \\end{bmatrix}`,
          },
          {
            title: 'Array with column format',
            latex: `\\begin{array}{lr}\\text{left-aligned}&b\\\\c&\\text{right-aligned} \\end{array}`,
          },
          {
            title: 'Matrix* with column format',
            latex: `\\begin{matrix*}[lr]ABCDEF&b\\\\c&2348448 \\end{matrix*}`,
          },
          {
     