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Student[NumericalAnalysis][ExactValue] - return specific value(s) of the exact function
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Calling Sequence
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ExactValue(p)
ExactValue(p, pts)
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Parameters
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p
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a POLYINTERP structure
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pts
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(optional) numeric, list(numeric); a point or list of points at which the value of the exact function is computed
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Description
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The ExactValue command computes the value(s) of the exact function at specified point(s) pts or at the extrapolated point(s) from the POLYINTERP structure, depending on whether pts is given or not.
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If the ExactValue command is used on a POLYINTERP structure whose exact function was not originally specified, an exception will be raised.
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Examples
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![with(Student[NumericalAnalysis])](/support/helpjp/helpview.aspx?si=4307/file05075/math106.png)
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![xy := [[0, 4.0], [.5, 0], [1.0, -2.0], [1.5, 0], [2.0, 1.0], [2.5, 0], [3.0, -.5]]](/support/helpjp/helpview.aspx?si=4307/file05075/math110.png)
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![xy := [[0, 4.0], [.5, 0], [1.0, -2.0], [1.5, 0], [2.0, 1.0], [2.5, 0], [3.0, -.5]]](/support/helpjp/helpview.aspx?si=4307/file05075/math113.png)
| (1) |
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![[[.25, 2.378414230], [.75, -1.681792830], [1.25, -1.189207114]]](/support/helpjp/helpview.aspx?si=4307/file05075/math124.png)
| (2) |
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![ExactValue(p1, [.5, 1.0])](/support/helpjp/helpview.aspx?si=4307/file05075/math128.png)
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![[[.5, 0.], [1.0, -2.]]](/support/helpjp/helpview.aspx?si=4307/file05075/math131.png)
| (3) |
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