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Student[NumericalAnalysis][Draw] - create a plot of a certain aspect of an interpolation structure
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Calling Sequence
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Draw(p, opts)
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Parameters
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p
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a POLYINTERP structure
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opts
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(optional) equation(s) of the form keyword=value where keyword is objects; objects to plot
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Description
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The Draw command plots different components of an interpolation structure.
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By default, the Draw command plots the following objects: the data points, the approximate polynomial, the function, and the extrapolated points, as long as they are available.
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If the option objects is provided, the Draw command will plot the specified objects.
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The colors of each object in the plot can be specified using the SetColors mechanism.
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Options
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objects = list, ApproximateValue, BasisFunctions, DataPoints, ExactValue, Function, Interpolant
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Objects to draw. By default, objects = [DataPoints, Interpolant, Function, ApproximateValue], assuming each of these objects is available. If one of the objects in the default is not available, it will not be included in the plot.
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Examples
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![with(Student[NumericalAnalysis])](/support/helpjp/helpview.aspx?si=4316/file05072/math125.png)
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![xy := [[0, 1], [1/2, 1], [1, 11/10], [3/2, 3/4], [2, 7/8], [5/2, 9/10], [3, 11/10], [7/2, 1]]](/support/helpjp/helpview.aspx?si=4316/file05072/math129.png)
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![xy := [[0, 1], [1/2, 1], [1, 11/10], [3/2, 3/4], [2, 7/8], [5/2, 9/10], [3, 11/10], [7/2, 1]]](/support/helpjp/helpview.aspx?si=4316/file05072/math132.png)
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