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2012-01-16 15:33:58 +0200 | marked best answer | Contour Plots and Points The point is there -- it's simply lurking behind the contour plot. Or, in matplotlib jargon (one of the plotting packages Sage uses is called matplotlib), it doesn't have a higher zorder. The zorder is the layer level, where the layers are drawn from lower to higher. I can never remember what zorders different things default to, but it's usually easily changed manually: produces |
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2012-01-16 10:03:36 +0200 | answered a question | Contour Plots and Points Thanks. Just to be certain, why does subsequently plotting a line without a zorder not put that line behind the contour plot as well? |
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2012-01-15 21:39:31 +0200 | asked a question | Contour Plots and Points Why can I not have a single point on a contour plot? does not display the point. I can add a line (for example) and that line shows up but not the point. Thanks. JT |
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2011-08-19 11:36:30 +0200 | answered a question | vector calc There are numerous worksheets scattered about that deal with multivariate calculus but I don't know of any organized collection--yet. This is something that is being considered and hopefully will be available next time you teach this course. I have published a number of short worksheets at Mississippi College and you are welcome to give any of them a try. Some of these are being designed to work from within WeBWorK and so may not have very much of a descriptive component. |