contour plot



Try replacing [nticks,50] with [grid, 100, 100]). 

--Barton

-----maxima-bounces at math.utexas.edu wrote: -----

>contour_plot?(f(x,y),?[x,?-4,?4],?[y,?-4,?4],[adapt_depth,?10],[nticks,50])$

>But?the?result?is?not?good. Can?I?do?it?better??