2D Vector Addition Formula

Equation for calculate 2d vector addition is,

$a+b=\left[\begin{array}{c}{a}_x\\ a_y\end{array}\right]+\left[\begin{array}{c}{b}_x\\ b_y\end{array}\right]=\left[\begin{array}{c}{a}_x+b_x\\ a_y+b_y\end{array}\right]$