Plot 2D/3D Vector with Arrow

This function plots a line vector with arrow head.

Arrowline 3-D vector plot.

vectarrow(p0,p1) plots a line vector with arrow pointing from point p0 to point p1. The function can plot both 2D and 3D vector with arrow depending on the dimension of the input

Example:
For 3D vector
p0 = [1 2 3];
p1 = [4 5 6];
vectarrow(p0,p1)

For 2D vector
p0 = [1 2];
p1 = [4 5];
vectarrow(p0,p1)