In a 2 x 3 matrix  $\mathrm{A}=\left[{\mathrm{a}}_{\mathrm{ij}}\right]$ whose element is given by ${\mathrm{a}}_{\mathrm{ij}}=\left\{\frac{2\mathrm{i}}{3\mathrm{j}}\right\}then a_{11}$=

 where {.} denotes the fractional part function