Location of a rectangle - graphics objects:
The location of a rectangle is [x y w h], where x and y are the coordinates of the lower left point, here w is the width, and h is the height. The default rectangle has a location of [0 0 1 1]. The default Curvature is [0 0], that means no curvature. The values range from [0 0] (i.e., no curvature) to [1 1] (i.e., ellipse). A more interesting rectangle object is shown in figure. Note that properties can be set whenever calling the rectangle function, and also consequently by using the set function.
>> rh = rectangle('Position', [0.2, 0.2, 0.5, 0.
'Curvature',[0.5, 0.5]);
>> axis([0 1.2 0 1.2])
>> set(rh,'Linewidth',3,'LineStyle',':')