Add a shorthand method A() to access the A() method of robot links.
Add a shorthand method A() to access the A() method of robot links.

yasha0b1/robotics-toolbox-matlab,jaejunlee0538/robotics-toolbox-matlab,yasha0b1/robotics-toolbox-matlab,yasha0b1/robotics-toolbox-matlab,konradb3/robotics-toolbox-matlab,jaejunlee0538/robotics-toolbox-matlab,yasha0b1/robotics-toolbox-matlab,yasha0b1/robotics-toolbox-matlab,konradb3/robotics-toolbox-matlab,jaejunlee0538/robotics-toolbox-matlab,jaejunlee0538/robotics-toolbox-matlab,konradb3/robotics-toolbox-matlab,jaejunlee0538/robotics-toolbox-matlab,konradb3/robotics-toolbox-matlab,konradb3/robotics-toolbox-matlab