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| [418] | 1 |
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| 2 | (* Example of Unix spline(1) to smooth a curve.
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| 3 | This is a file to draw sin(i) for i going from -pi to pi *)
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| 4 |
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| 5 | newgraph
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| 6 |
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| 7 | yaxis min -1 max 1 label : sin(i)
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| 8 | xaxis label : i
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| 9 | grid_lines
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| 10 | border
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| 11 | title : Example Unix spline(1) to interpolate points
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| 12 |
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| 13 | (* Plot the sin curve *)
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| 14 | newline
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| 15 | label : data
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| 16 | pts include bailey.pts
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| 17 | copycurve
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| 18 | label : splined
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| 19 | linetype dotted
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| 20 | pts shell : spline < bailey.pts
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| 21 |
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| 22 | (*
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| 23 | bailey.pts file:
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| 24 | -3.1416 0.0
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| 25 | -1.81 -0.9715
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| 26 | -0.55 -0.5226
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| 27 | 0.71 0.6518
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| 28 | 1.97 0.9213
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| 29 | 3.1416 0.0
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| 30 | *)
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