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Question: How do I remove sawtooth like effect in plot3d?

Question:How do I remove sawtooth like effect in plot3d?

afante 121 Maple
plot
November 22 2008
0

I attempt to draw a 3d plot using plot3d.  The function contains a weighted combination of absolute values.  To simplify the problem statement, suppose drawing -abs(x-y) for x=-1..1, y=-1..1.  It was found that near the zero plane, the plot become sawtooth like, which is an unexpected result.  How can I remove this effect?
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