求： 柱坐标的问题

怎样7

<P>我想直接画柱坐标的函数图<BR>有什么方法吗？</P>

lana2000

<P>help polar</P>
<P> POLAR  Polar coordinate plot.<BR>    POLAR(THETA, RHO) makes a plot using polar coordinates of<BR>    the angle THETA, in radians, versus the radius RHO.<BR>    POLAR(THETA,RHO,S) uses the linestyle specified in string S.<BR>    See PLOT for a description of legal linestyles.<BR> <BR>    See also PLOT, LOGLOG, SEMILOGX, SEMILOGY.<BR></P>