Circular Arrow Around Vector

Draw a circular arc with arrow head around a specified vector

The function draws a circular arc around a vector in the direction of "norm". Also uses mArrow3 uploaded in file exchange. Additional functionality added in mArrow3 to change arrow-head-length. So use the version of mArrow3 attached here. Start and end angles can be changed for the arc. Not tested completely. Play around, modify and send your comments, feedback and queries ([e-mail]).