Plotting vectors with arrow head - pvec

This function allows you to easily plot a vector with an arrow. You also can change the color, style, thickness of it.

The function pvec makes a vector with arrow head.

With x and y you determine origin of the vector.

With r you determine the lenght of the vector.

With fi you determine the angle in degrees from x axis in positive direction.

Additionally you can add color, style, thickness and final position of vector line.

Default settings are:

color: 'blue'

linestyle: '-'

thickness: 1

endposition: 0

If you want to plot multiple vectors on the same plot, use command hold on/off after function.

To title the plot use command title under function. More options you can find in the figure under the Insert segment.