I would like to generate a filled contour plot with a single contour line (at z=0) and two different colors, where neither color is white. When I run the COUNTROUF command, one of the regions always seems to plot as white. I would like to change the white color to some other colors.
Reproduction Steps:
[x,y,z] = peaks;contourf(x,y,z,[0 0])
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