draws a circle
circle(a,b,r,[c])
real number
real number
positive real number
character, optional argument
circle(a,b,r)
draws a circle with center at coordinates (a,b)
and radius r
.
circle(a,b,r,c)
draws a circle with center at coordinates (a,b)
and radius r
with color specified by the character c
. As with the function plot
, the color
may be "r"
,"g"
,"c"
,"m"
,"y"
,
"k"
ou "w"
.
Note, by default the scale is not orthonormal. If one does not want to see the circles appearing as elliipses, one should use
the command orthonormal
.