draw a regular polygon
xrpoly(orig,n,r,[theta])
vector of size 2.
integer, number of sides.
real scalar.
real, angle in radian; 0 is the default value.
xrpoly
draws a regular polygon with n
sides contained in the
circle of diameter
r
and with the origin of the circle set at point orig
.
theta
specifies a rotation angle in radian. This function uses
the current graphics scales.