why plots:-contourplot gives division by zero when asking for one contours line?

Question:why plots:-contourplot gives division by zero when asking for one contours line?

Posted: nm 12268 Product: Maple 2026

11 minutes ago

Any explanation why this happens? notice, I did not supply the x and y ranges, let Maple decide.

restart;

>	interface(version);

>	plots:-contourplot(y+sin(x),'colorbar'=false,':-contours' = 2,size=[100,100]);

>	plots:-contourplot(y+sin(x),'colorbar'=false,':-contours' = 1,size=[100,100]);

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