polar3d
代码说明：
POLAR3D Plots a 3D polar surface. POLAR3D(Zin,theta_min,theta_max,Rho_min,Rho_max,meshscale) plots the profiles as a mesh plot for Zin between radii Rho_min and Rho_max for polar angles equally spaced between theta_min and theta_max. POLAR3D(Zin,theta_min,theta_max,Rho_min,Rho_max,meshscale,plotspec) plots the profiles Zin between radii Rho_min and Rho_max for polar angles between theta_min and theta_max with a plot type specification. If plotspec = surf a standard Matlab surface is plotted,whereas mesh , surfc or meshc will plot mesh, surface with countour, or mesh with contour, respectively. The size of the squares on the mesh or surf plots is determined by meshscale. The default plot is a mesh plot.
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