Remove some debugging prints and add comments

[maxima.git] / doc / info / figures / plotting2.mac

plot2d([contour, u^3+v^2], [u,-4,4], [v,-4,4], [pdf_file,"./plotting2.pdf"]);
plot2d([contour, u^3+v^2], [u,-4,4], [v,-4,4], [png_file,"./plotting2.png"]);