
MATLAB Code

Plot a unit circle centered at the origin with line 

Plot a unit circle centered at the origin with plot 

Plot a unit circle with specified center 

Plot two circles with specified radii, tangent at origin, centers on x axis 

Alternative to above, two calls to plot, colors specified for circles 

Plot two circles, specified radii, tangent at origin, centers on x axis, and third circle, specified radius, tangent to others 
